Dr. Hooman Askari-Nasab, University of Alberta

Publications

Students’ names are capitalized and presenters' names are underlined

Published

J69. Noriega R., Pourrahimian Y., Askari-Nasab H. (2023). “Deep Reinforcement Learning Based Real-Time Open-Pit Truck Dispatching System”, Computer and Operations Research (submitted on March 16, 2023), Minor Revisions, January 2024 resubmitted, Available online 18 August 2024, 106815. DOI: https://doi.org/10.1016/j.cor.2024.106815.

J68. KAMRANI A., Badiozamani MM., Pourrahimian Y., Askari-Nasab H (2024), “Evaluating the Semi-Mobile In-Pit Crusher Option through a Two-Step Mathematical Model”, Resources Policy, ©Elsevier, Amsterdam, The Netherlands, Vol 95, August 2024, 105113, pp. 1-17, Received 12 November 2023, Revised 30 April 2024, Accepted 26 May 2024, Available online 15 June 2024, Version of Record 15 June 2024.

J67. VALENÇA MARIZ JL., Peroni RL., Silva RMA., Badiozamani MM, and Askari-Nasab H., (2024), “A Multi-Stage Constraint Programming Approach to Solve Clustering Problems in Open-Pit Mine Planning”, Engineering Optimization, ©Informa UK Limited, Taylor & Francis Group, London, UK, pp. 1-24, Received 03 Dec 2023, Accepted 17 Apr 2024, Published online: 21 May 2024, DOI:https://doi.org/10.1080/0305215X.2024.2346935

J66. AL HABIB N., Ben-Awuah E., Askari-Nasab H. (2024), “Short-term Planning of Open Pit Mines with Semi-Mobile IPCC: A Shovel Allocation Model”, International Journal of Mining, Reclamation and Environment, © Taylor & Francis Group, London, Vol. 38, No. 3, pp. 236-266, Received 05 Jul 2023, Accepted 21 Sep 2023, Published online: 06 Oct. 2023. DOI: https://doi.org/10.1080/17480930.2023.2262823.

J65.JELVEZ E., Ortiz J., Morales Varela N., Askari-Nasab H., and Nelis G. (2023) ”A Multi-Stage Methodology for Long-Term Open-Pit Mine Production Planning under Ore Grade Uncertainty”, Mathematics, @MDPI, 11(18), 3907, received: 21 July 2023, published: 14 September 2023.

J64.GONG H., Moradi Afrapoli, A., and Askari-Nasab, H. (2023), “Integrated Simulation and Optimization Framework for Quantitative Analysis of Near-Face Stockpile Mining”, Simulation Modelling Practice and Theory, ©Elsevier, Amsterdam, Netherlands, Vol 128 (2023) 102794, pp. 1-17, received 24 April 2023, revised 16 June 2023, accepted 24 June 2023, available online 25 June 2023, /doi.org/10.1080/17480930.2022.2160891.

J63.AL HABIB N., Ben-Awuah E., Askari-Nasab H. (2023), “Short-Term Planning of Open Pit Mines with Semi-mobile In-Pit Crusher”, Mining Engineering ©SME, Littleton, CO, USA, April 2023, pp. 14-22.

J62.Moradi Afrapoli A. and Askari-Nasab H. (2023). “Chapter 13: Fleet Management Systems”, SME Surface Mining Handbook, Editor: Peter Darling, the Society of Mining, Metallurgy, and Exploration, ©SME, Littleton, CO, February, 2023, P. 279-287.

J61.AL HABIB N., Ben-Awuah E., Askari-Nasab H. (2023), “Review of Recent Developments in Short-Term Mine Planning and IPCC With a Research Agenda”, Mining Technology, Transactions of the Institutions of Mining and Metallurgy: Section A. ©Taylor & Francis Group, London, UK, pp. 1-24, received 19 Nov 2022, accepted 22 May 2023, published online: 08 Jun 2023. DOI: 10.1080/25726668.2023.2218170.

J60 Mirzaei-Nasirabad H., MOHTASHAM M., Askari-Nasab H., Alizadeh B, (2023), “An Optimization Model for the Real-Time Truck Dispatching Problem in Open-Pit Mining Operations” Optimization and Engineering, @Springer, pp. 1-25. received February 2022, published 28 February, 2023. https://doi.org/10.1007/s11081-022-09780-x.

J59.GONG H., Moradi Afrapoli, A., and Askari-Nasab, H. (2023), “Near-Face Stockpile Open Pit Mining: A Method to Enhance NPV and Quality of the Plant Throughput”, International Journal of Mining, Reclamation and Environment, © Taylor & Francis Group, London, UK, Vol. 37, No. 3, pp. 200-215, submitted on August 3, 2022, published online 28 December 2022. /doi.org/10.1080/17480930.2022.2160891.

J58. TABESH, M., AFRAPOLI M., and Askari-Nasab, H. (2023), “A Two-Stage Simultaneous Optimization of NPV and Throughput in Production Planning of Open Pit Mines”, Resources Policy, ©Elsevier, Amsterdam, Netherlands, Vol. 80, No., 2 pages, submitted on August 4, 2022, available online 7 December 2022. 10.1016/j.resourpol.2022.103167.

J57. PIRMORADIAN H., Monjezi M., Askari-Nasab H., Nikbakhsh E., Mousavi Nogholi, A. (2022), “Development of a local search algorithm for solving allocation and dispatching problem of transportation fleet in open pit mines”, Journal of Mineral Resources Engineering, accepted on January 26, 2022.

J56. MORADI AFRAPOLI, A., UPADHYAY, S. P., and Askari-Nasab, H. (2022), "A Nested Multiple Objective Optimization Algorithm for Managing Production Fleets in Surface Mines", Engineering Optimization, ©Taylor & Francis Group, London, UK, submitted on March 26, 2021, accepted November 26, 2022. https://doi.org/10.1080/0305215X.2022.2153840

J55. MOHTASHAM M., Mirzaei-Nasirabad H., Askari-Nasab H., and Alizadeh B. (2022), “Multi-Stage Optimization Framework for The Real-Time Truck Decision Problem in Open-Pit Mines: A Case Study on Sungun Copper Mine”, International Journal of Mining, Reclamation and Environment, © Taylor & Francis Group, London, UK, Vol. 36, No. 7, pp. 461-491, received Sep. 28, 2021, accepted Apr. 15, 2022, published online: May 5, 2022, doi.org/10.1080/17480930.2022.2067709

J54. MORADI AFRAPOLI, A. and Askari-Nasab, H. (2022), “Advanced Analytics for Surface Extraction” in Advanced Analytics in Mining Engineering, ©Springer, Nature Switzerland AG, pp. 181-203, Pages 747, Feb. 2022, doi.org/10.1007/978-3-030-91589-6.

J53. UPADHYAY, S. P., Doucette J., and Askari-Nasab, H. (2022). ”Short Term Production Scheduling in Open Pit Mines with Shovel Allocations over Continuous Time Frames”, International Journal of Mining and Mineral Engineering, © Inderscience Enterprises Ltd, Genève, Switzerland, Vol. 12, No. 4, pp. 292-308, submitted on July 2, 2018, published online: February 28, 2022.

J52. YEGANEJOU, M., BADIOZAMANI, M.M., MORADI AFRAPOLI, A., and Askari-Nasab, H. (2021). “Integration of Simulation and Dispatch Modeling to Predict Fleet Productivity: An Open Pit Mining Case”, Mining Technology, Transactions of the Institutions of Mining and Metallurgy: Section A., ©Taylor & Francis Group, London, UK, Vol. 131, No. 2, pp.67-79, submitted on May 13, 2021, accepted with revisions due on Oct 9, 2021.

J51. MORADI AFRAPOLI, A., UPADHYAY, S. P., and Askari-Nasab, H. (2021). “Truck Dispatching in Surface Mines – Application of Fuzzy Linear Programming”, The Journal of the South African Institute of Mining and Metallurgy, © SAIMM, Johannesburg, South Africa, pp. 1-21, Vol. 121, No. 9, pp. 505-512. DOI: 10.17159/2411-9717/522/2021. (submitted on October 23, 2018, accepted July 28, 2021.)

J50. MOHTASHAM M., Mirzaei-Nasirabad H., Askari-Nasab H., and Alizadeh B. (2021). “A Multi-Objective Model for Fleet Allocation Schedule in Open-Pit Mines Considering the Impact of Prioritising Objectives on Transportation System Performance”, International Journal of Mining, Reclamation and Environment, © Taylor & Francis Group, London, UK, Vol. 35, No. 10, pp.709-727, DOI: 10.1080/17480930.2021.1949861. Received 19 Mar 2021, Accepted 06 Jun 2021, Published online: 02 Aug 2021.

J49. MOHTASHAM M., Mirzaei-Nasirabad H., Askari-Nasab H., and Alizadeh B. (2021). “Truck fleet size selection in open-pit mines based on the match factor using a MINLP model”, Mining Technology, Transactions of the Institutions of Mining and Metallurgy: Section A. ©Taylor & Francis Group, London, UK, Vol. 130, No.3, pp. 159-175, DOI: 10.1080/25726668.2021.1919374.

J48. MAREMI A., Ben-Awuah, E., and Askari-Nasab, H. (2021). “Multi-objective Mathematical Programming Framework for Integrated Oil Sands Mine Planning and Tailings Disposal Optimization”, Mining, Metallurgy & Exploration, © Society for Mining, Metallurgy & Exploration Inc., Springer, Vol. 38, pp. 1355-1374, DOI: 10.1007/s42461-021-00418-7.

J47. PARAVARZAR, S., Askari-Nasab, H., Pourrahimian, Y., and Emery X. (2021). “Simultaneous Multi-Sector Block Cave Mine Production Scheduling Considering Operational Uncertainties”, Mining Technology, Transactions of the Institutions of Mining and Metallurgy: Section A. ©Taylor & Francis Group, London, UK, Vol.130, No. 1, pp. 36-51, DOI: 10.1080/25726668.2021.1872261.

J46. UPADHYAY, S. P., TABESH, M., M., BADIOZAMANI, M.M., MORADI AFRAPOLI, A., and Askari-Nasab H. (2021). “A Simulation-based Algorithm for Solving Surface Mines’ Equipment Selection and Sizing Problem under Uncertainty”, Canadian Institute of Mining, Metallurgy and Petroleum Journal (CIM), ©Taylor & Francis Group, London, UK, Vol. 12, No. 1, pp. 36-46, DOI: 10.1080/19236026.2021.1872995.

J45. PARAVARZAR, S., Pourrahimian, Y., Askari-Nasab, H., and Emery X. (2021). “Short-Term Underground Mine Planning: A Review”, International Journal of Mining and Mineral Engineering, ©Inderscience Enterprises Ltd, Genève, Switzerland, Vol.12, No.1, pp. 1-33. DOI: 10.1504/IJMME.2021.114902.

J44. PARAVARZAR, S., Askari-Nasab, H., Pourrahimian, Y., and Emery X. (2021). “Operational Mine Planning in Block Cave Mining: A Simulation-Optimisation Approach”, International Journal of Mining, Reclamation and Environment, © Taylor & Francis Group, London, UK, , Vol. 35, No. 3, pp. 199-218, DOI: 10.1080/17480930.2020.1804039.

J43. MORADI AFRAPOLI, A., TABESH, M., and Askari-Nasab, H. (2020). “A Stochastic Integrated Simulation and MILP Optimization Framework for Truck Dispatching Problem in Surface Mines”, International Journal of Mining and Mineral Engineering, ©Inderscience Enterprises Ltd, Genève, Switzerland, Vol. 11, No. 4, pp. pp. 257-284, DOI: 10.1504/IJMME.2020.111929.

J42. OPPONG AFUM, B., Ben-Awuah, E., and Askari-Nasab, H. (2020). “A Mixed Integer Linear Programming Framework for Optimizing the Extraction Strategy of Open Pit and Underground Mining Transitions”, International Journal of Mining, Reclamation and Environment, ©Taylor & Francis Group, London, UK, Vol. 34, No. 10, pp. 700-724, DOI: 10.1080/17480930.2019.1701968.

J41. JELVEZ, E., Morales, N., and Askari-Nasab, H. (2020). “A New Model for Automated Pushback Selection”. Computers and Operations Research, © Elsevier, Netherlands, Vol 115 (2020) 104456. doi.org/10.1016/j.cor.2018.04.015

J40. BADIOZAMANI, M.M., Ben-Awuah E., and Askari-Nasab, H. (2019). "Mixed Integer Linear Programming for Oil Sands Production Planning and Tailings Management", Journal of Environmental Informatics, ©International Society for Environmental Information Sciences, Regina, Canada, Vol 33, 2, pp. 96-104. doi:10.3808/jei.201900405

J39. TABESH, M. and Askari-Nasab, H. (2019). “Clustering Mining Blocks in Presence of Geological Uncertainty”, Transactions of the Institution of Mining and Metallurgy: Section A, Mining industry, Mining Technology ©Taylor and Francis, United Kingdom, Vol. 128, 3, pp. 162-176. doi.org/10.1080/25726668.2019.1596425.

J38. MORADI AFRAPOLI, A., TABESH, M., Askari-Nasab, H. (2019). “A Multiple Objective Transportation Problem Approach to Dynamic Truck Dispatching in Surface Mines”, European Journal of Operational Research, ©Elsevier, Netherlands, Vol 276, 1, pp. 331-342.

J37. MORADI AFRAPOLI, A., TABESH, M., & Askari-Nasab, H. (2019). “A Stochastic Hybrid Simulation-Optimization Approach towards Haul Fleet Sizing in Surface Mines”. Transactions of the Institution of Mining and Metallurgy: Section A, Mining industry, Mining Technology ©Maney Publishing, Leeds, LS3 1AB, United Kingdom, Vol. 128, 1, pp.9-20. doi.org/10.1080/25726668.2018.1473314.

J36. GORIS CERVANTES, E., UPADHYAY, S. P., and Askari-Nasab, H. (2019). “Improvements to Production Planning in Oil Sands Mining Through Analysis and Simulation of Truck Cycle Times”, Canadian Institute of Mining, Metallurgy and Petroleum Journal, ©CIM, Montreal, Canada, Vol. 10, 1, pp. 1-14. doi.org/10.15834/cimj.2019.1.

J35. MORADI AFRAPOLI, A. and Askari-Nasab, H. (2019). “Mining Fleet Management Systems: A Review of Models and Algorithms”, International Journal of Mining, Reclamation and Environment, © Taylor & Francis Group, London, UK, Vol. 33, 1, pp. 42-60, DOI: 10.1080/17480930.2017.1336607.

J34. UPADHYAY, S. P. and Askari-Nasab, H. (2019). “Dynamic Shovel Allocation Approach to Short-Term Production Planning in Open-Pit Mines”, International Journal of Mining, Reclamation and Environment, © Taylor & Francis Group, London, UK, Vol. 33, 1, pp. 1-20, 10.1080/17480930.2017.1315524.

J33. MORADI AFRAPOLI, A., UPADHYAY, S. P., and Askari-Nasab, H. (2018). “A Fuzzy Logic Approach towards Truck Dispatching Problem in Surface Mines”. International Journal of Mechanical and Production Engineering, ©Transstellar Journal Publications and Research Consultancy Private Limited, Vol. 6, 12, pp. 79-84.

J32. BEN-AWUAH, E., Askari-Nasab, H., Maremi, A., and Seyed Hosseini, N. (2018). “Implementation of A Goal Programming Framework for Production and Dyke Material Planning”, International Journal of Mining, Reclamation and Environment, © Taylor & Francis Group, London, UK, Vol. 32, 8, pp. 536-563, DOI: 10.1080/17480930.2017.1331082.

J31. UPADHYAY, S. P. and Askari-Nasab, H. (2017). “Simulation Optimization Approach for Uncertainty-Based Short-Term Planning in Open Pit Mines”, International Journal of Mining Science and Technology, © Elsevier, Netherlands, Vol. 28, 2, pp. 153-166, DOI: 10.1016/j.ijmst.2017.12.003.

J30. UPADHYAY, S. P. and Askari-Nasab, H., (2016), " Truck Shovel Allocation Optimization: A Goal Programming Approach ", Transactions of the Institution of Mining and Metallurgy: Section A, Mining industry, Mining Technology © Maney Publishing, Leeds, LS3 1AB, United Kingdom, Vol. 125, 2, pp. 82-92. doi.org/10.1179/1743286315Y.0000000024.

J29. BADIOZAMANI, M.M. and Askari-Nasab, H., (2016), "Integrated Mine and Tailings Planning: A Mixed Integer Linear Programming Model", International Journal of Mining, Reclamation and Environment, © Taylor & Francis Group, London, UK Vol. 30, 4, pp. 319-346.

J28. BEN-AWUAH E., Elkington, T., Askari-Nasab, H., and Blanchfield, F., (2015), "Simultaneous Production Scheduling and Waste Management Optimization for an Oil Sands Application", Journal of Environmental Informatics,© International Society for Environmental Information Sciences, Regina, Canada, Vol. 26, 2, pp. 80-90. doi:10.3808/jei.201500305.

J27. TORKAMANI, E. and Askari-Nasab, H. (2015). “A Linkage of Truck-and-Shovel Operations to Short-Term Mine Plans using Discrete-Event Simulation”, International Journal of Mining and Mineral Engineering, © Inderscience Enterprises Ltd, Geneve, Switzerland, Vol. 6. No. 2, pp. 97-118.

J26. TABESH, M., MIETH, C., and Askari-Nasab, H., (2014). “A Multi-Step Approach To Long-Term Open-Pit Production Planning”, International Journal of Mining and Mineral Engineering, © Inderscience Enterprises Ltd, Geneve, Switzerland, Vol. 5, 5, pp. 273-298. doi.org/10.1504/IJMME.2014.066577.

J25. KOUSHAVAND B., Askari-Nasab H., and Deutsch C., (2014). “Mixed Integer Linear Programming Model for Long-term Mine Planning in the Presence of Grade Uncertainty and Stockpile”, International Journal of Mining Science and Technology, © Elsevier, Netherlands, Vol. 24, 4, pp. 451-459.

J24. POURRAHIMIAN, Y., Askari-Nasab, H., and Tannant, D. (2014). “An Application of Mathematical Programming to Determine the Best Height of Draw during the Block-Cave Sequence Optimization” Transactions of the Institution of Mining and Metallurgy: Section A, Mining industry, © Maney Publishing, Leeds, LS3 1AB, United Kingdom, Vol. 123, 3, pp. 162-172. doi.org/10.1179/1743286314Y.0000000061.

J23. BADIOZAMANI, M.M. and Askari-Nasab, H. (2014). “Integration of Reclamation and Tailings Management in Oil Sands Surface Mine Planning”, Environmental Modelling & Software, © Langford Lane, Kidlington, Oxford, OX5 1GB, United Kingdom, Vol. 51, pp. 45-58, dx.doi.org/10.1016/j.envsoft.2013.09.026

J22. TABESH, M. and Askari-Nasab, H. (2013). “Automatic Creation of Mining Polygons using Hierarchical Clustering Techniques”, Journal of Mining Science, © Pleiades Publishing, Vol. 49, No, 3, pp. 426-439.

J21. POURRAHIMIAN, Y., Askari-Nasab, H., and Tannant, D. (2013). “A Multi-Step Approach for Block Cave Production Scheduling Optimisation”, International Journal of Mining Science and Technology, © Elsevier, Netherlands, Vol. 23, No. 5, pp. 739-750, dx.doi.org/10.1016/j.ijmst.2013.08.019.

J20. BEN-AWUAH, E. and Askari-Nasab H. (2013), “Incorporating Waste Management into Oil Sands Long Term Production Planning”, Transactions of the Institution of Mining and Metallurgy. Section A, Mining industry, © Maney Publishing, Leeds, LS3 1AB, United Kingdom, Vol. 122, No. 1, pp. 33-45, DOI: 10.1179/1743286312Y.0000000031.

J19. KALANTARI, S., BEN-AWUAH, E., and Askari-Nasab, H., (2013), "Towards an Integrated Oil Sands Mine Plan and Composite Tailings Plan", International Journal of Mining, Reclamation and Environment, © Taylor & Francis Group, London, UK, Vol. 27, No. 2, pp. 103-126. DOI: 10.1080/17480930.2012.661547.

J18. EIVAZY, H., and Askari-Nasab, H., (2012) “A Hierarchical Open-Pit Mine Production Scheduling Optimization Model”, International Journal of Mining and Mineral Engineering, © Inderscience Enterprises Ltd, Geneve, Switzerland, Vol. 4, No. 2, pp. 89-115. doi.org/10.1504/IJMME.2012.052436

J17. BEN-AWUAH, E., Askari-Nasab, H. and Awuah-Offei, K., (2012) “Production Scheduling and Waste Disposal Planning for Oil Sands Mining using Goal Programming”, Journal of Environmental Informatics, © International Society for Environmental Information Sciences, Regina, Canada, Vol. 20, No. 1, pp. 20-33.

J16. POURRAHIMIAN, Y., Askari-Nasab, H., and Tannant D., (2012). “Mixed Integer Linear Programming Formulation for Block Cave Sequence Optimization”, International Journal of Mining and Mineral Engineering, © Inderscience Enterprises Ltd, Geneve, Switzerland, Vol. 4, No. 1, pp. 26-49, DOI: 10.1504/IJMME.2012.047998.

J15. EIVAZY H. and Askari-Nasab H. (2012), “A Mixed Integer Linear Programming Model for Short-Term Open Pit Production Scheduling”, Transactions of the Institution of Mining and Metallurgy. Section A, Mining industry, © Maney Publishing, Leeds, LS3 1AB, United Kingdom, Vol. 121, No. 2, pp. 97-108, DOI: 10.1179/1743286312y.0000000006.

J14. TABESH, M. and Askari-Nasab, H., (2011), "Two-stage clustering algorithm for block aggregation in open pit mines", Transactions of the Institutions of Mining and Metallurgy, Section A: Mining Technology, © Maney Publishing, Leeds, LS3 1AB, United Kingdom, Vol. 120, No. 3, pp. 158-169. DOI: 10.1179/1743286311y.0000000009.

J13. Awuah-Offei, K., BISMARK, O., and Askari-Nasab, H., (2011), "Modeling Truck-Shovel Energy Efficiency under Uncertainty", Transactions of the Society of Mining, Metallurgy, and Engineering, ©SME, Littleton, CO 80127, USA, Vol. 330, 2011 Transactions, pp. 573-584.

J12. BEN-AWUAH, E. and Askari-Nasab, H., (2011), "Oil sands mine planning and waste management using mixed integer goal programming", International Journal of Mining, Reclamation and Environment, © Taylor & Francis Group, London, UK, Vol. 25, No. 3, pp. 226-247. DOI: 10.1080/17480930.2010.549656.

J11. Awuah-Offei, K. and Askari-Nasab, H., (2011), "Aggregate Cost Minimization in Hot-Mix Asphalt Design", Journal of Materials in Civil Engineering, ©ASCE, Vol. 23, 5, pp. 554-561. DOI: 10.1061/(ASCE)MT.1943-5533.0000211.

J10. Askari-Nasab, H., POURRAHIMIAN, Y., BEN-AWUAH, E., and KALANTARI, S., (2011), "Mixed integer linear programming formulations for open pit production scheduling", Journal of Mining Science, © Springer, New York, NY 10013-1578, United States, Vol. 47, No. 3, pp. 338-359. DOI: 10.1134/s1062739147030117.

J9. Askari-Nasab, H., Awuah-Offei, K., and EIVAZY, H., (2010), "Large-Scale Open Pit Production Scheduling Using Mixed Integer Linear Programming", International Journal of Mining and Mineral Engineering, © Inderscience Enterprises Ltd, Vol. 2, No. 3, pp. 185-214. DOI: 10.1504/IJMME.2010.037624.

J8. BEN-AWUAH, E., S. KALANTARI, Y. POURRAHIMIAN, and H. Askari-Nasab (2010) “Hierarchical Mine Production Scheduling using Discrete-Event Simulation”, International Journal of Mining and Mineral Engineering, © Inderscience Enterprises Ltd, Vol. 2, No. 2, pp. 137-158. DOI: 10.1504/IJMME.2010.035314.

J7. Awuah-Offei, K., Checkel, D., and Askari-Nasab, H., (2009), "Evaluation of Belt Conveyor And Truck Haulage Systems In An Open Pit Mine Using Life Cycle Assessment", CIM Bulletin Technical Papers, © The Canadian Institute of Mining, Metallurgy and Petroleum, Quebec, Vol. 102, Nº 1115, Paper 8, pp. 1-6.

J6. Awuah-Offei, K. and Askari-Nasab, H., (2009), "Asphalt Mix Optimization for Efficient Plant Management", Transportation Research Record: Journal of the Transportation Research Board, © Transportation Research Board, Washington, DC, USA, Vol. 2098, No. 2009, pp. 105-122. DOI: 10.3141/2098-11.

J5. Askari-Nasab, H. and Awuah-Offei, K., (2009), "Open Pit Optimisation using Discounted Economic Block Values", Transactions of the Institution of Mining and Metallurgy. Section A, Mining industry, © Maney Publishing, Leeds, LS3 1AB, United Kingdom, Vol. 118, No. 1, pp. 1-12. DOI: 10.1179/037178409X12450752943243.

J4. Awuah-Offei, K., Frimpong, S., and Askari-Nasab, H., (2009), "Formation Excavation Resistance Modeling for Shovel Dippers", International Journal of Mining and Mineral Engineering, © Inderscience Publishers, Vol. 1, No. 2, pp. 127-146. DOI:10.1504/IJMME.2009.023131.

J3. Askari-Nasab, H. and Awuah-Offei, K., (2008), "An Agent Based Framework for Open Pit Mine Planning", CIM Bulletin Technical Papers, February 2008 to January 2009, © The Canadian Institute of Mining, Metallurgy and Petroleum, Montreal, Quebec, Vol. 110, No. Nº 1112, Dec. 2008/Jan. 2009, pp. 145-154.

J2. Askari-Nasab, H., Frimpong, S., and Szymanksi, J., (2008), "Investigating the Continuous Time Open Pit Dynamics", The Journal of the South African Institute of Mining and Metallurgy, © SAIMM, Johannesburg, South Africa, Vol. 108, No. 2, February, pp. 61-73.

J1. Askari-Nasab, H., Frimpong, S., and Szymanksi, J., (2007), "Modeling Open Pit Dynamics using Discrete Simulation", International Journal of Mining, Reclamation and Environment, © Taylor & Francis Group, London, UK, Vol. 21, No. 1, March 2007, pp. 35- 49. DOI: 10.1080/17480930600720206.

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C73 GONG H., PARAVARZAR S., Askari-Nasab H. (2023), “Enhancing Stability And Production In Surface Mining: An Investigation Into The Near Face Stockpile Mining Method”, Minexcellence 2023, ©Gecamin, Santiago, Chile, November 29 - December 1, 2023.

C72 Askari-Nasab H. and GONG H. (2023), “Simulation of Mining Haulage Systems”, Escuela Profesional de Ingeniería de Minas Facultad de Ingeniería Geológica, Minera y Metalúrgica, Lima, Peru. November 13, 2023.

C71 GONG H., PARAVARZAR S., YEGANEJOU, M., and Askari-Nasab H. (2023), A Simulation-Based Quantitative Analysis of Near Face Stockpile Mining Method, Digital Mining Conference-Expo, Tehran, Iran, September 13, 2023. .

C70 Askari-Nasab H., PARAVARZAR S., GONG H. (2023), "A Simulation-Based Quantitative Analysis of Near Face Stockpile Mining Method", in Proceedings of Geomin-Mine Planning – 8th International Conference on Mine Planning, ©Gecamin, Santiago, Chile, July 12-14, 2023.

C69 AL HABIB N., KAMRANI A. and Askari-Nasab H. (2023), " Short-term planning of open pit mines with semi-mobile IPCC or traditional truck haulage", in Proceedings of Geomin-Mine Planning – 8th International Conference on Mine Planning, ©Gecamin, Santiago, Chile, July 12-14, 2023.

C68 KAMRANI A., Askari-Nasab H. (2023), “A Two-step Model to Optimize the Semi-mobile In-pit Crusher Locations and the Mine Schedule”, presented at APCOM 2023 Intelligent Mining: Innovation, Vision, and Value, Rapid City, South Dakota, USA, June 25-28, 2023, pp. 1-19

C67 AL HABIB N., Askari-Nasab H., Ben-Awuah E. (2023), “A General Short-Term Planning Model of Open Pit Mines with Semi-Mobile In-Pit Crusher or Traditional Truck-Shovel Haulage”, presented at APCOM 2023 Intelligent Mining: Innovation, Vision, and Value, Rapid City, South Dakota, USA, June 25-28, 2023, pp. 1-19.

C66 Askari-Nasab H., KAMRANI A., Pourrahimian Y., and Al Habib N. (2023), “Long-Term Mine Planning Optimization for IPCC-Based Open-Pit Mining Operations”, presented at 26th World Mining Congress 2023, Brisbane, Australia from 26 - 29 June 2023.

C65 Askari-Nasab H., PARAVARZAR S., GONG H. (2023), “Data-Driven Short-Term Mine Planning with Operational Uncertainty”. presented at the CIM Convention & Expo, Session: Mine Operations-Mine Data Enhancements CIM MTL23, Montreal, Quebec, Canada, April 30- May 3, 2023.

C64 AL HABIB N., Ben-Awuah E., Askari-Nasab H. (2023), “Short-Term Planning of Open Pit Mines with Semi-mobile In-Pit Crusher”, presented at SME Annual Conference, Preprint 23-010, Feb. 26 - Mar. 01, 2023, Denver, CO, USA, pp. 1-6.

C63 Askri-Nasab H. (2022), Applications of Design of Experiments in Mine Planning using GEOVIA’s Tools, GEOVIA Connect 22x, October 17-18, 2022, Virtual Event.

C62 Askri-Nasab H., University of Alberta, Mining Engineering Program, Reunión Regional De La Sociedad De Profesores De Minería, Society of Mining Professors (SOMP), June 22-24, 2022, Lima, Peru.

C61 KAMRANI A., MORADI-AFRAPOLI A., and Askari-Nasab H., Minimizing the truck-shovel fleet through finding best locations for the in-pit crusher and conveyor during the mine life , GEOMIN-Mine Planning 2021, June 9-11, 2021, Santiago, Chile.

C60 Al-HABIB N., MORADI-AFRAPOLI A., and Askari-Nasab H., Short-term planning of open pit mines with semi-mobile in-pit crusher, GEOMIN-Mine Planning 2021, June 9-11, 2021, Santiago, Chile.

C59. Askari-Nasab, H., Canada-Brazil Trade Mission: Corporate Training in the Mining Sector- University of Alberta, SIMEXMIN 2021 - IX SIMPÓSIO BRASILEIRO DE EXPLORAÇÃO MINERAL, August 9-12.

C58. Askari-Nasab, H. and Pourrahimian Y. (2020). “Secuenciamiento de producción diaria en el minado Block Caving, considerando la incertidumbre operativa", Instituto de Ingenieros de Minas del Peru, November 25, 2020.

C57. UPADHYAY, S; TABESH, M; BADIOZAMANI, M; Askari-Nasab, H. (2019). “A Simulation Model for Estimation of Mine Haulage Fleet Productivity”. Proceedings of International Symposium on Mine Planning & Equipment Selection (MPES), Springer, Perth, WA, Australia, Dec. 2-5, pp.42-50.

C56. MORADI AFRAPOLI, A. and Askari-Nasab, H. (2019). “Simulation and Optimization Framework for Evaluating the Surface Mining Operations ". Paper presented at the 39th International Symposium on Application of Computers and Operations Research in the Mineral Industry - APCOM 2019: Mining Goes Digital, Wroclaw, Poland, June 04-06, 2019, pp. 393-401.

C55. Askari-Nasab, H., TABESH, M., UPADHYAY, S., and BADIOZAMANI, M. M. (2019). “Data-Driven Autonomous Haulage Systems Simulation”. Presented at the CIM Convention & Expo, Session: Interoperability and Integration, Stream: Innovation, Automation and Data Montréal, QC, Canada, April 28 to May 1, 2019.

C54. MORADI AFRAPOLI, A., TABESH, M., UPADHYAY, S. and Askari-Nasab, H. (2019). “A Mixed Integer Linear Programming Approach towards Truck Dispatching Problem in Surface Mines”. Presented at the Session Innovations & Technologies: Automation in Mining: The Present and The Future - 92nd SME Annual Conference and Expo, Denver, Colorado, United states, February 24-27, 2019.

C53. UPADHYAY, S. and Askari-Nasab, H. (2019). “Simulation for Productivity Prediction of Life of Mine Plans”. Presented at the Session Operations: Mine Scheduling and Optimization II - 92nd SME Annual Conference and Expo, Denver, Colorado, United states, February 24-27, 2019.

C52. AFRAPOLI, A. M. and Askari-Nasab, H. (2018). “A Transportation Problem-Based Stochastic Integer Programming Model to Dispatch Surface Mining Trucks under Uncertainty". Paper presented at the 27th International Symposium on Mine Planning and Equipment Selection - MPES 2018, Santiago, Chile, November 20-22, 2018, pp. 255-264.

C51. UPADHYAY, S. and Askari-Nasab, H. (2018). “Short-Term Production Scheduling by Allocating Shovels over Continuous Time Frames in Open Pit Mines ". Paper presented at the DEPLAMIN project workshop by Universidad Adolfo Ibañez (Desafíos en Planificación Minera - Challenges in Mine Planning), November 16-19, 2018, Santa Cruz, Chile.

C50. AFRAPOLI, A. M., UPADHYAY, S., and Askari-Nasab, H. (2018). “An integrated multi objective multi stage mining fleet management system linking dynamic operation to short-term plan". Paper presented at the SME Annual Conference and Expo and 91st Annual Meeting of the SME-MN Section, Minneapolis, MN, United states, February 25-28, 2018, 10 pages.

C49. Askari-Nasab, H. (2017), “Balancing Practicality vs Maximizing NPV using Whittle”. Presented at the GEOVIA North American User Conference, Toronto, Canada, October 24-26, 2017.

C48. UPADHYAY, S. and Askari-Nasab H. (2017), " Optimal Shovel Allocations for Desired Grade Blending in Open Pit Mines", in Proceedings of Geomin-Mine Planning – 5th International Seminar on Mine Planning, ©Gecamin, Santiago, Chile, August 23 - 25, 2017, 7 pages.

C47. MORADI AFRAPOLI A., TABESH M., and Askari-Nasab H. (2017), "An Investigation into Dispatch Optimizers using Truck-Shovel Simulation and a New Multi Objective Truck Dispatching Technique", in Applications of Computers and Operations Research in Mineral Industry - 38th APCOM, ©Colorado School of Mines, Golden, Colorado, USA, Aug. 9-11, 2017, 10 pages.

C46. UPADHYAY, S. and Askari-Nasab (2017), " Simulation and Optimization of Mine Operations for Desired Grade Blending in Open Pit Mines ", in Applications of Computers and Operations Research in Mineral Industry - 38th APCOM, © Colorado School of Mines, Golden, Colorado, USA, Aug. 9-11, 2017, 11 pages.

C45. Askari-Nasab, H., TABESH, M., UPADHYAY, S. (2017), " Mine Haulage Simulation: A Tool Towards Managing Uncertainty", presented at Haulage and Loading Exhibition and Conference, © Mining Media International, Inc., May 7-10, 2017, Phoenix, Arizona, USA.

C44. Askari-Nasab, H., TABESH, M., UPADHYAY, S. (2017), " Industrial Strength Mine Haulage and Extraction Simulation: A key Towards Operational Excellence", presented at Society for Mining, Metallurgy & Exploration (SME) Annual Meeting, © SME, Feb. 19-22, 2017, Denver, Colorado, USA.

C43. JÉLVEZ E., Morales N., Askari-Nasab H. (2016), " A New Methodology for the Automated Pushback Selection", in 6^th International Conference on Innovation in Mine Operations – MININ 2016, © Gecamin, Santiago, Chile, August 21-23, 2016, pp. 1-8.

C42. TABESH, M., Askari-Nasab, H., Peroni R., (2015), "A Comprehensive Approach to Strategic Open Pit Mine Planning with Stockpile Consideration", in Applications of Computers and Operations Research in Mineral Industry - 37th APCOM, Fairbanks, USA, May 23-27, 2015, pp. 326-332.

C41. UPADHYAY, S., Askari-Nasab, H., TABESH, M. and BADIOZAMANI, M.M., (2015), "Simulation and Optimization in Open Pit Mining", in Applications of Computers and Operations Research in Mineral Industry - 37th APCOM, Fairbanks, USA, May 23-27, 2015, pp. 532-543.

C40. UPADHYAY, S., Askari-Nasab, H., TABESH, M. and BADIOZAMANI, M.M., (2015), "Simulation and Optimization in Open Pit Mines", in Proceedings of Society for Mining, Metallurgy & Exploration (SME) Annual Meeting, © SME, Feb. 15-18, 2015, Denver, Colorado, USA, Preprint 15-051, pp. 1-3.

C39. Askari-Nasab, H., UPADHYAY, S., TORKAMANI, E., TABESH, M. and BADIOZAMANI, M.M., (2014), "Simulation Optimisation of Mine Operational Plans", in Orebody Modelling and Strategic Mine Planning Symposium / Perth, WA Australia, 24–26 November 2014, pp 299-311.

C38. Askari-Nasab, H., MIETH, C., and TABESH, M., (2013), "A Hybrid Local Search/Mixed Integer Programming Approach to Open Pit Controlled Phase-Design," in Applications of Computers and Operations Research in Mineral Industry - 36th APCOM, Porto Alegre, Brazil, November 4-8, 2013, pp. 502-514.

C37. Askari-Nasab, H. and TORKAMANI, E., (2013), "Truck-Shovel Operational Planning Using Discrete Event Simulation," in Applications of Computers and Operations Research in Mineral Industry - 36th APCOM, Porto Alegre, Brazil, November 4-8, 2013, pp. 515-526.

C36. BADIOZAMANI, M. M. and Askari-Nasab, H., (2013), "Integration of Oil Sands Tailings and Reclamation Planning with Long-Term Mine Planning", in Proceedings of World Mining Congress (WMC), © CIM, Montreal, Quebec, Canada, August 11-15, papr 654, pp. 1-19.

C35. TABESH, M., MIETH, C., and Askari-Nasab, H., (2013), "Open Pit Production Planning using Controlled Pushbacks and Aggregates", in Proceedings of World Mining Congress (WMC), © CIM, Montreal, Quebec, Canada, August 11-15, paper 668, pp. 1-11.

C34. Askari-Nasab, H. and POURRAHIMIAN, Y., (2013), "Mathematical Programming for Sequence Optimization in Block-Cave Mining", in Proceedings of Mine Planning - 3rd International Seminar, © Gecamin, Santiago, Chile, July 24-26, pp. 1-10.

C33. TABESH, M. and Askari-Nasab, H., (2013), "Automatic Creation of Ore-Selection and Blast Polygons using Clustering Algorithms ", in Proceedings of Society for Mining, Metallurgy & Exploration (SME) Annual Meeting, © SME, Denver, Colorado, USA, Preprint 13-134, pp. 1-6.

C32. BADIOZAMANI, M. M. and Askari-Nasab, H., (2013), "Integration of Long-Term Mine Planning, Tailings and Reclamation Plans", in Proceedings of Society for Mining, Metallurgy & Exploration (SME) Annual Meeting, © SME, Denver, Colorado, USA, Preprint 13-080, pp. 1-8.

C31. BADIOZAMANI, M. M. and Askari-Nasab, H., (2012), “An Integration of Long-Term Mine Planning, Tailings and Reclamation Plans”, in Proceedings of Third International Oil Sands Conference, © University of Alberta, Edmonton, Alberta, Canada, Dec. 2-5, pp. 103-112.

C30. BEN-AWUAH, E. and Askari-Nasab, H., (2012), “A Mathematical Programming Model for Oil Sands Production Scheduling and Waste Management”, in Proceedings of Tailings and Mine Waste Conference, © Colorado State University, Keystone, Colorado, USA, Oct. 14-17, pp. 593-608.

C29. BADIOZAMANI, M. M. and Askari-Nasab, H., (2012), “Towards Integration of Oil Sands Mine Planning with Tailings and Reclamation Plans”, in Proceedings of Tailings and Mine Waste Conference, © Colorado State University, Keystone, Colorado, USA, Oct. 14-17, pp. 609-622.

C28. Askari-Nasab, H. and POURRAHIMIAN, Y., (2012), “An Application of Mixed Integer Linear Programming for Block Cave Production Scheduling”, in Proceedings of 5th International Conference on Innovation in Mine Operations (MININ), ©GECAMIN, Santiago, Chile, June 20-22, pp. 594-614.

C27. POURRAHIMIAN, Y., Askari-Nasab, H., and Tannant, D., (2012), “Block Cave Production Scheduling Optimization using Mathematical Programming”, 6th International Conference on Mass Mining (MassMin 2012), © CIM, Sudbury, Ontario, Canada, June 10-14, paper No, 6799, pp. 1-8.

C26. Askari-Nasab, H., TORKAMANI, E., BADIOZAMANI, M. M., and TABESH, M., (2012), "Alignment of Short-Term and Operational Plans Using Discrete Event Simulation", in Proceedings of Society for Mining, Metallurgy & Exploration (SME) Annual Meeting, CD-ROM, Preprint 12-064, © SME, Seattle, Washington, USA, Feb. 19- 22, pp. 304-311.

C25. Awuah-Offei, K., OSEI, B. A., and Askari-Nasab, H., (2012), "Improving Truck-Shovel Energy Efficiency through Discrete Event Modeling", in Proceedings of Society for Mining, Metallurgy & Exploration (SME) Annual Meeting, CD-ROM, Preprint 12-069, © SME, Seattle, Washington, USA, Feb. 19- 22, pp. 333-338.

C24. BROWN, O. F., Awuah-Offei, K., Frimpong, S., and Askari-Nasab, H., (2012), " High Performing HMA Design Optimization", in Proceedings of Society for Mining, Metallurgy & Exploration (SME) Annual Meeting, CD-ROM, Preprint 12-140, © SME, Seattle, Washington, USA, Feb. 19- 22, pp. 680-684.

C23. Askari-Nasab, H., EIVAZY, H., TABESH, M., and BADIOZAMANI, M. M., (2011), "A Mathematical Programming Model for Open Pit Short-term Production Scheduling", in Proceedings of Society for Mining, Metallurgy & Exploration (SME) Annual Meeting, CD-ROM, Preprint 11-038, © SME, Denver, Colorado, USA, Feb. 27-Mar. 02, pp. 213-220.

C22. OSEI B. A., Awuah-Offei, K., and Askari-Nasab, H., (2011), "Effect of Cycle Time on Work Done by the Pistons during Hydraulically Actuated Clamshell Dredging", in Proceedings of Society for Mining, Metallurgy & Exploration (SME) Annual Meeting, CD-ROM, Preprint 11-078, © SME, Denver, Colorado, USA, Feb. 27-Mar. 02, pp. 438-445.

C21. Askari-Nasab, H. and BEN-AWUAH, E., (2011), "Integration of Oil Sands Mine Planning and Waste Management Using Goal Programming," in 35th Application of Computers and Operations Research in the Minearls Industry (APCOM) Wollongong, New South Wales, Australia: The Australasian Institute of Mining and Metallurgy (AusIMM), pp. 329-350.

C20. BEN-AWUAH, E. and Askari-Nasab, H., (2010), "Oil Sands Mine Planning and Waste Management Using Goal Programming", in Proceedings of Second International Oil Sands Tailings Conference, © University of Alberta, Department of Civil and Environmental Engineering, Edmonton, Alberta, Canada, December 5-8, 2010 pp. 149-162.

C19. Askari-Nasab, H., TABESH, M., BADIOZAMANI, M. M., and EIVAZY, H., (2010), "Hierarchical Clustering Algorithm for Block Aggregation in Open Pit Mines", in Proceedings of Mine Planning and Equipment Selection (MPES), © AusIMM, Fremantle, Australia, December 1-3, 2010, pp. 469-479.

C18. Askari-Nasab, H., TABESH M., and BADIOZAMANI M. (2010) “Creating Mining Cuts Using Hierarchical Clustering and Tabu Search Algorithms”, International Conference on Mining Innovation (MININ 2010), © GECAMIN, Santiago, Chile, June 23-25, 2010, pp. 159-171.

C17. Askari-Nasab, H. and Awuah-Offei K. (2010) “A Clustering Algorithm for Open Pit Mine Production Scheduling”, Society for Mining, Metallurgy & Exploration (SME) Annual Meeting Preprint, ©SME, Phoenix, Arizona, USA, Feb. 28 - March 3, pp. 1-8.

C16. BEN-AWUAH, E., KALANTARI, S., POURRAHIMIAN, Y., and Askari-Nasab, H., (2009), "Simulating the production of a multi element ore-body with an alternating crushing schedule", Mine Planning and Equipment Selection (MPES) CD-ROM, Banff, Alberta, Canada, November 16-19, 2009, pp. 150-162.

C15. KOUSHAVAND, B. and Askari-Nasab, H., (2009), "Transfer of Geological Uncertainty into Mine Planning", Mine Planning and Equipment Selection (MPES) CD-ROM, Banff, Alberta, Canada, November 16-19, 2009, pp. 462-476.

C14. Askari-Nasab, H., Awuah-Offei, K., and Szymanski, J., (2009), "Multi-index Mixed Integer Linear Programming Model for Open Pit Production Scheduling", Mine Planning and Equipment Selection (MPES) CD-ROM, Banff, Alberta, Canada, November 16-19, 2009, pp. 52-61.

C13. POURRAHIMIAN, Y., Askari-Nasab, H., and Tannant, D., (2009), "Production Scheduling with Minimum Mining Width Constraints Using Mathematical Programming", Mine Planning and Equipment Selection (MPES) CD-ROM, Banff, Alberta, Canada, November 16-19, 2009, pp. 646-653.

C12. Askari-Nasab, H. and Awuah-Offei, K., (2009), "Mixed Integer Programming Models for Intermediate Open Pit Scheduling with Variable Slopes", Application of Computers and Operations Research in the Mineral Industry (APCOM) (CD-ROM), © The Canadian Institute of Mining, Metallurgy and Petroleum, Vancouver, Canada, Oct. 6-9, 2009, pp. 173-182.

C11. Awuah-Offei, K. and Askari-Nasab, H., (2009), "Aggregate Plant Inventory Management through HMA Mix Optimization", SME Annual Meeting Preprint, © Society of Mining, Metallurgy & Exploration, Denver, CO, USA, Preprint 09-097, February 22-25, pp. 606-610.

C10. Awuah-Offei, K., Checkel, D., and Askari-Nasab, H., (2008), "Life Cycle Assessment of Belt Conveyor and Truck Haulage Systems in an Open Pit Mine", SME Annual Meeting Proceeding CD-ROM, © Society for Mining, Metallurgy, & Exploration, Salt Lake City, Utah, February 24-27, pp. 128-138.

C9 Askari-Nasab, H., and Szymanski, J., (2007), “Open Pit Production Scheduling Using Reinforcement Learning“, proceeding of 33^rd International Symposium on Computer Application in the Minerals Industry (APCOM), © GECAMIN LTDA, Santiago, Chile, April 24- 27, pp. 321-326.

C8. Askari-Nasab, H. and Szymanski, J., (2007), "Continuous Modeling of Open Pit Dynamics", proceeding of Sixteenth International Symposium on Mine Planning and Equipment Selection (MPES), © The Reading Matrix Inc., Bangkok, Thailand, December 11-13, pp. 665-677.

C7. Askari-Nasab, H. and Szymanksi, J., (2006), “Intelligent Agent Framework for Long-Term Mine Planning”, Proceeding of Fifteenth International Symposium of Mine Planning and Equipment Selection (MPES), Torino, Italy, Sep. 20-22. , pp. 1076-1082.

C6. Askari-Nasab, H. and Szymanksi, J., (2005), “Production Scheduling Estimator using Reinforcement Learning“, proceeding of 20^th World Mining Congress & EXPO 2005, Tehran, Iran, Nov. 7-11, pp.1-7.

C5. Askari-Nasab, H. and Szymanksi, J., (2005), “Modeling Open Pit Dynamics using Monte Carlo Simulation”, Computer Applications in the Minerals Industry (CAMI), Banff, Alberta, Canada, Oct. 31-Nov. 3, pp. 21-32.

C4. Awuah-Offei, K., Frimpong, S. and Askari-Nasab H., (2005), “Dynamic Simulation of Cable Shovel Specific Energy in Oil Sands Excavation”, Computer Applications in the Minerals Industry (CAMI), Banff, Alberta, Canada, Oct. 31-Nov. 3, pp. 33-45.

C3. Askari-Nasab, H., Frimpong, S., and Awuah-Offei, K., (2005), “Intelligent Optimal Production Scheduling Estimator“, proceeding of 32^nd International Symposium on Computer Application in the Minerals Industry (APCOM), © Taylor & Francis Group, Tucson, Arizona, USA, March 30 - April 1^st, pp. 279-285.

C2. Askari-Nasab H, Awuah-Offei, K., and Frimpong, S., (2004), “Stochastic Simulation of Open Pit Push-backs with a Production Simulator“, CIM Mining Industry Conference and Exhibition CD ROM, Edmonton, Alberta, Canada, May 9-12.

C1. Osanloo, M. and Askari-Nasab, H., (2003), “Optimizing Ultimate Pit Limits of Gol-E-Gohar Iron Mine of IRAN using 3D Lerchs & Grossman Algorithm”, CAMI Conference Proceeding CD ROM, Calgary, Alberta, Canada, Sep. 8-10.

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