Aouni, B. , R. E. Steuer , B. Pérez-Gladish and M. Doumpos, “On the Increasing Importance of Multiple Criteria Decision Aid Methods for Portfolio Selection”, Journal of the Operational Research Society, Vol. 69, No. 10, 2018 (1525-1542).
Aouni, B., S. McGillis and E. Abdulkarim, “Goal Programming Model for Management Accounting and Auditing: A New Typology, Annals of Operational Research, Vol. 251, 2017 (41-54).
Azimian A. and Aouni, B., “Supply Chain Management through the Stochastic Goal Programming Model”, Annals of Operational Research, Vol. 251, 2017 (351-365).
Messaoudi, L., B. Aouni and A. Rebai,“Fuzzy Chance-Constrained Goal Programming Model for Multi-Attribute Financial Portfolio Selection”, Annals of Operational Research, Vol. 251, 2017 (193-204).
Smaoui, S. and B. Aouni, “Fuzzy Goal programming Model for Classification Problems”, Annals of Operational Research, Vol. 251, 2017 (141-160).
Razmak, J. and B. Aouni, “Decision Support System and Multi-Criteria Decision Aid: A State of the Art and Perspectives”, Journal of Multi-Criteria Decision Analysis, Vol. 22, 2015 (101–117).
Aouni, B., Cinzia Colapinto, C., La Torre, “Parameter Estimation through the Weighted Goal Programming Model”, International Journal of Multicriteria Decision Making, Vol. 5, No. 3, 2015 (263-273).
Ben Ayed, O., S. Hamzaoui, F. Zalila and B. Aouni, “Parcel Distribution Timetabling Problem with Incomplete Hub Network”, Forthcoming in Information Systems and Operational Research, 2015 (IF: 0.171)
Aouni, B., C. Colapinto and D. La Torre, “Portfolio Management through the Goal Programming Model: Current State-of-the-Art”, European Journal of Operational Research, 234, 2014 (536-545).
Aouni, B., C. Colapinto, C. and D. La Torre, “A Fuzzy Goal Programming Model for Venture Capital Decision Making”, Information Systems and Operational Research, Vol. 52, No. 3, 2014 (136-144).
Aouni, B., “Comments on: Multicriteria Decision Systems for Financial Problems”, TOP–the Spanish Society of Statistics and Operations Research Journal, Vol. 21, 2013 (262-264).
Aouni, B. and S. Laflamme, “From Monocriterion to Multicriteria Decision Aid: A Necessary but Unfinished Evolution in Operational Research”, International Journal of Strategic Decision Sciences, Vol. 7, No. 2, 2014 (123-135).
Cherif, M. S., B. Aouni and H. Chabchoub, “A Product Design Methodology and a Global Optimization Model for QFD Planning Process”, International Journal of Applied Nonlinear Science, 2013 (173-205).
Aouni, B., C. Colapinto and D. La Torre, “A Cardinality Constrained Goal Programming Model with Satisfaction Function for Venture Capital Investment Decision Making”, Annals of Operations Research, 2012 (DOI 10.1007/s10479-012-1168-4).
Boswarva, I. and B. Aouni, “Different Probability Distributions for Portfolio Selection in the Chance Constrained Compromise Programming Model”, Information Systemsand Operational Research Journal, Vol. 50, No. 3, 2012 (140-146).
Aouni, B, F. Ben Abdelaziz and D. La Torre, “The Stochastic Goal Programming Model: Theory and Applications”, Journal of Multi-Criteria Decision Analysis, Vol. 19, No.5-6, 2012 (185-200).
Aouni, B., C. Colapinto and D. La Torre, “Stochastic Goal Programming Model and Satisfaction Functions for Media Selection and Planning Problem”, International Journal of Multi-Criteria Decision Making, Vol. 2, No. 4, 2012 (391-407).
Munro, M. and B. Aouni, “Group Decision-Makers’ Preferences Modeling in the Goal Programming Model: An Overview and a Typology”, Journal of Multi-Criteria Decision Analysis, 19, No.5-6, 2012 (169–184).
Mezghani, M., T. Loukil and Aouni “Aggregate planning through the imprecise goal programming model: Integration of the manager’s preferences”, International Transactions in Operational Research, Vol. 19, No. 4, 2012 (581-597).
Gagnon, M., G. D’Avignon and B. Aouni, “Resource-Constrained Project Scheduling through the Goal Programming Model: Integration of the Manager’s Preferences”, International Transactions in Operational Research, Vol. 19, Vol. 4, 2012 (547-565).
Foroughi, A. and B. Aouni, “New Approaches for Determining a Common Set of Weights for a Voting System”, International Transactions in Operational Research, Vol. 19, No. 4, 2012 (521-530).
Foroughi, A. and B. Aouni, “Ranking Units in DEA Based on Efficiency Intervals and Decision-Maker’s Preferences”, International Transactions in Operational Research, Vol. 19, Vol. 4, 2012 (567-579).
Kammoun, R. and B. Aouni, “ISO 9000 Adoption in Tunisia: Experiences of Certified Companies”, Total Quality Management, 2012 (1-16).
Kharrat, A., S. Dhouib, H. Chabchoub and B. Aouni, “Decision-maker’s preferences modelling in the engineering design through the interactive goal-programming”, International Journal of Data Analysis Techniques and Strategies, 3, No. 1, 2011 (85-104).
Aouni, B., “Portfolio Selection through the Goal Programming Model: An Overview”, Journal of Financial Decision Making, Vol. 6, No. 2, 2010 (3-15).
Aouni, B., C. Colapinto and D. La Torre, “Solving Stochastic Multi-Attribute Portfolio Selection through the Goal Programming Model”, Journal of Financial Decision Making, Vol. 6, No. 2, 2010 (17-30).
Cherif, M. S., B. Aouni and H. Chabchoub, “An Imprecise Goal Programming Approach for Modeling Design Teams Preferences in Quality Function Deployment Planning Process”, Journal of Multi-Criteria Decision Analysis, Vol. 17, No. 5-6, 2010 (137-154).
Kanoun, I., H. Chabchoub and B. Aouni, “Goal Programming Model for Fire and Emergency Service Facilities Site Selection”, Information Systems and Operational Research, Vol. 48, No. 3, 2010 (143-153).
Kammoun, R., H. Chabchoub and B. Aouni, “A Quality Self-Assessment Standard for Tunisian Manufacturing Companies”, International Journal of Management and Technologies, No. 4, Vol. 1, 2010 (33-44).
Aouni, B. and D. La Torre, “A Generalized Stochastic Goal Programming Model”, Applied Mathematics and Computation, Vol. 215, 2010 (4347-4357).
Kharrat, A., H. Chabchooub and B. Aouni, “Decision-Maker’s Preferences Modelling within the Interactive Imprecise Goal Programming Model”, International Journal of Innovative Computing and Applications, Vol. 2, No. 3, 2010 (150–169).
Larbani, M. and B. Aouni, “A New Approach for Generating Efficient Solutions within the Goal Programming Model” Journal of Operational Research Society, 2010 (1-10).
Mohanty, B.K. and B. Aouni, “Product Selection in Internet Business: A Fuzzy Approach”, International Transactions in Operational Research, Vol. 17. 2010 (317-331).
Cherif, M. S., H. Chabchoub and B. Aouni, “Integrating Customer’s Preferences in the QFD Planning Process using a Combined Benchmarking and Imprecise Goal Programming Model”, International Transactions in Operational Research, Vol. 17, 2010 (85-102).
Aouni, B., “Multi-Attribute Portfolio Selection: New Perspectives”, Information Systemsand Operational Research Journal, 47, No. 1, 2009 (1-4).
Aouni, B., J.M. Martel and A. Hassaine, “Fuzzy Goal Programming Model: An Overview of the Current State-of-the Art”, Journal of Multi-Criteria Decision Analysis, Vol. 16, 2009 (149-161).
Aouni, B., A. Hassaine and J.M. Martel, “Decision-Maker’s Preferences Modeling within the Goal Programming Model: A New Typology”, Journal of Multi-Criteria Decision Analysis. Vol. 16, 2009 (163-178).
Allouche, A., B. Aouni, J-M. Martel, T. Loukil and A. Rebaï, “Solving Multi-Criteria Scheduling Flow Shop Problems Through Compromise Programming”, European Journal of Operational Research, 192, No. 2, 2009 (460-467).
Samoui, S., H. Chabchoub and B. Aouni, “Mathematical Programming approaches to Classification Problems”, Advances in Operations Research, 2009 (1-34).
Kammoun, R. H. Chabchoub and B. Aouni, “Comparaison des référentiels d’autoévaluation de la qualité”, International Journal of Information System Research, Vol. 1, No. 2, 2009 (39-51).
Cherif, M. S., H. Chabchoub and B. Aouni, “Quality Control System Design Through the Goal Programming Model and the Satisfaction Functions”, European Journal of Operational Research, 186, No. 3, 2008 (1084-1098).
Mansour, N., A. Rebaï and B. Aouni, “Portfolio Selection Through the Imprecise Goal Programming Model: Integration of Manager’s Preferences”, Journal of Industrial Engineering International, Vol. 3, No. 5, 2007 (1-8).
Ben Abdelaziz, F., B. Aouni and R. El Fayedh, «Multi-Objective Stochastic Programming for Portfolio Selection», European Journal of Operational Research, 177, No. 3; 2007 (1811-1823).
Kharrat, A., H. Chabchoub, B. Aouni and S. Smaoui, «Serial Correlation Estimation Through the Imprecise Goal Programming Model», European Journal of Operational Research, 177, No. 3; 2007 (1839-1851).
Rebai, A., B. Aouni and J.-M. Martel, «A Multi-Attribute Method for Choosing Among Potential Alternatives with Ordinal Evaluation», European Journal of Operational Research, 174, No. 1, 2006 (360-373).
Aouni, B., F. Ben Abdelaziz and J.-M. Martel, «Decision-Maker’s Preferences Modeling in the Stochastic Goal Programming», European Journal of Operational Research, 162, 2005 (610-618).
Aouni, B. and Jean-Marc Martel, “Property Assessment through an Imprecise Goal Programming Model”, Information Systems and Operational Research, Vol. 42, No. 3, 2004 (189-200).
Ben Amor, S., J.-M. Martel and B. Aouni, «Sharing the Savings Associated with Quantity Discount Using Satisfaction Functions», Information Systems and Operational Research, Vol. 42, No. 4, 2004 (257-266).
Kettani, O., B. Aouni, B. and J.-M. Martel, «The Double Role of the Weight Factor in the Goal Programming Model», Computers and Operation Research, Vol. 31, 2004 (1833-1845).
Goghrod, H., J.-M. Martel and B. Aouni, «Vehicle Park Management Through the Goal Programming Model», Information Systems and Operational Research, Vol. 41, No. 1, 2003 (93-104).
Bettahar, S., M. Belmokadem and B. Aouni, «Poverty Measurement in an Imprecise Environment», Revue Économie et Management, No. 2, 2003 (167-1980).
Ganjavi, O. B. Aouni and Z Wang, «Response to Reply to the Comments of Ganjavi, Aouni and Wang 2002», Journal of the Operational Research Society, Vol. 53, No. 8, 2002, (927-929).
Ganjavi, O. B. Aouni and Z Wang, «Technical Note on Balanced Solutions in Goal Programming, Compromise Programming and Reference point Method», Journal of the Operational Research Society, Vol. 53, No. 8, 2002, (930-931).
Aouni, B. and O. Kettani, «Goal Programming Model: A Glorious History and a Promising Future», European Journal of Operational Research, Vol. 133, No. 2, 2001 (1-7).
Martel, J.-M. and B. Aouni, «Diverse Imprecise Goal Programming Formulations». Journal of Global Optimization, No. 12, 1998 (24-34).
Martel, J.-M. et B. Aouni, «Méthode multicritère de choix d’un emplacement : le cas d’un aéroport dans le Nouveau Québec», Information Systems and Operational Research, Vol. 30, No. 2, 1992 (97-117).
Martel, J.-M. and B. Aouni, «Incorporating the Decision Maker’s Preferences in the Goal Programming Model», Journal of the Operational Research Society, Vol. 41, No. 12, 1990, (1121-1132).
Chapters in Books and Peer Reviewed Proceedings
Aouni, B., Cinzia Colapinto, C., La Torre,D. Liuzzi, D. and Marsiglio, S., “On Dynamic Multiple Criteria Decision Making Models: A Goal Programming Approach”, in Al-Shammari M. and Masri, H. (Editors), “Multiple Criteria Decision Making in Finance, Insurance and Investment”. Springer-Verlag, 2015.
Azimian A. and Aouni, B., “Supply Chain Management through the Stochastic Goal Programming Model”, Proceedings of the 2015 International Conference on Industrial Engineering and Operations Management, Dubai, United Arab Emirates (UAE), March 3 – 5, 2015.
Aouni, B., D’Avignon, G. and Gagnon, M., “Goal Programming for Multi-Objective Resource-Constrained Project Scheduling”, in C. Schwindt and J. Zimmermann (eds.), Handbook on Project Management and Scheduling, 1, International Handbooks on Information Systems, Springer International Publishing Switzerland, 2014.
Ben Ayed, O., B. Aouni and H. S. Younis, “Quality Function Deployment to Design Business Curriculum: An Application to King Saud University”, Administrative Sciences Association of Canada, Production and Operations Management, 35, No. 7, 2014.
Aouni, B., d’Avignon and M. Gagnon, “Goal Programming for Multi-Objective Resource Constrained Project Scheduling”, Stefan Kreter (Ed.), Chapter 23, Handbook on Project Management and Scheduling, 2014.
Aouni, B., C. Colapinto and D. La Torre, “Goal Programming Model”, in Mathematical Modeling with Multidisciplinary Applications, Xin-She Yang (Ed.), John Willey & Sons, 2013 (397-420).
Aouni, B.; A. Hassaine and J.-M. Martel, “An Interactive Goal Programming Model Based on the Satisfaction Functions”, IEEE, Proceedings of the 5th International Conference on Modeling, Simulation and Applied Optimization, 2013.
Aouni, B. and J. Razmak, “Multi-Criteria Decision Support Systems: A Glorious History and a Promising Future”, IEEE, Proceedings of the 5th International Conference on Modeling, Simulation and Applied Optimization, 2013.
El Fayedh R., F. Ben Abdelaziz and B. Aouni, “Scenario Generation for Multi-objective Stochastic Portfolio Selection”, IEEE, Proceedings of the 5th International Conference on Modeling, Simulation and Applied Optimization, 2013.
Mezghani, S. H. Chabchoub and B. Aouni, “Manager’s Preferences Modeling within the Bi-Objectives Bin Packing Problem”, IEEE, Proceedings of the 5th International Conference on Modeling, Simulation and Applied Optimization, 2013.
Kanoun, I., Y. Masmoudi, H. Chabchoub, and B. Aouni, “A Balanced Approach for Hazardous Waste Allocation Problem”, IEEE, Proceedings of the 5th International Conference on Modeling, Simulation and Applied Optimization, 2013.
Mezghani, M., Loukil and B. Aouni, “Manager Preferences Modelling for Stochastic Aggregate Planning”, Multiple Criteria Decision Making’10-11, T. Trzaskalik and T. Wachowicz (Eds.), Publisher of the University of Economics in Katowice, Katowice, Poland, 2011 (149-162).
Foroughi, A. and B. Aouni, “Ranking of Units in Data Envelopment Analysis Based on the Efficiency Intervals”, Administrative Sciences Association of Canada, Management Science, 31, No. 2, 2010 (70-82).
Allouche, A., B. Aouni and A. Rebai, “L’ordonnancement multicritère de la production : une approche méta-heuristique intégrant les préférences du gestionnaire”, Administrative Sciences Association of Canada, Management Science, 30, No. 2, 2009.
Munro, M. and B. Aouni, “Group Decision-Making Through the Goal Programming Model : State-of-the-art and a new Typology”, Administrative Sciences Association of Canada, Management Science, 30, No. 2, 2009.
Mezghani, M., T. Loukil and Aouni, “Aggregate Production Planning in an Imprecise Environment Through the Goal Programming and the Satisfaction Functions”, Administrative Sciences Association of Canada, Management Science, Vol. 29, No. 2, 2008 (159-172).
Gagnon, M., Gilles d’Avignon and B. Aouni «Incorporating the Manager’s Preferences in Project Scheduling Problem Through the Goal Programming Model», Administrative Sciences Association of Canada, Management Science, 28, No. 2, 2007 (15-27).
Larbani, M. and B. Aouni, «On the Pareto Optimality in Goal Programming», Administrative Sciences Association of Canada, Management Science, 28, No. 2, 2007 (127-131).
Aouni, B., A. Hassaine and J.-M. Martel, “Decision-Maker’s Preferences Modelling in the Goal Programming Model: The Current State of the Art and Future Trends”, Administrative Sciences Association of Canada, Management Science, 27, No. 2, 2006 (94-108).
Dhouib, D., H. Chabchoub AND B. Aouni, « Un modèle d’évaluation hiérarchique de la performance des entreprises manufacturières », Administrative Sciences Association of Canada, Management Science, 27, No. 2, 2006 (32-42).
Cherif, M. S., Chabchoub AND B. Aouni, « Une approche du Goal Programming imprécis pour l’intégration des préférences du client dans le processus de planification du GFD», Administrative Sciences Association of Canada, Management Science, Vol. 27, No. 2, 2006 (123-137).
Aouni, B., A. Hassaine and J.-M. Martel, « Les préférences du décideur dans le goal programming : État de l’Art est perspectives futures », 6e conférence Francophone de Modélisation et Simulation, Rabat (Maroc) 3-5 avril 2006.
Aouni, B., F. Ben Abdelaziz and R. El Fayedh, “Multistage Stochastic Goal Programming for Portfolio Selection”, The 7th International Conference on Multi-Objective Programming and Goal Programming, Tours (France), 2006.
Kanoun, I., H. Chabchoub and B. Aouni, “Goal Programming Model for Fire and Emergency Service Facilities Site Selection”, The 7th International Conference on Multi-Objective Programming and Goal Programming, Tours (France), 2006.
Cherif, M. S., H. Chabchoub and B. Aouni, “Integrating Customer’s Preferences in QFD Planning Process Using a Combined Benchmarking and imprecise Goal Progamming Approach”, The 7th International Conference on Multi-Objective Programming and Goal Programming, Tours (France), 2006.
Aouni, B. and S. Benabadji, “ESP in Administrative Sciences: State-of-the-Art and New Perspectives”, The 4th International Conference on English Language Teaching, Algiers (Algeria), 2005.
Aouni, B. F. Ben Abdelaziz and R. El Fayedh, «Portfolio Selection through the Stochastic Goal Programming», The 6th International Conference on Multi-Objective Programming and Goal Programming, Hammamat (Tunisia), 2004.
Aouni, B., A. Hassaine and J.-M. Martel, «Decision-Maker’s Preferences Modeling in the Goal Programming Model», The 6th International Conference on Multi-Objective Programming and Goal Programming, Hammamat (Tunisia), 2004.
Aouni, B., F. Ben Abdelaziz and R. El Fayedh, «Chance Constrained Compromise Programming for Portfolio Selection», Proceedings of the 6th International Conference on Multi-Objective Programming and Goal Programming, Hammamat (Tunisia), 2004.
Cherif, M. S., H. Chabchoub and B. Aouni, «Goal Programming for Quality Control Design», Proceedings of the 6th International Conference on Multi-Objective Programming and Goal Programming, Hammamat (Tunisia), 2004.
Ganjavi, O. and B. Aouni, «Conditions to Obtain Balanced Solution in Distance Function Models», Proceedings of the 6th International Conference on Multi-Objective Programming and Goal Programming, Hammamat (Tunisia), 2004.
Ganjavi, O. and B. Aouni, «Weight Amplification in Multi Criteria Decision Aid», Proceedings of the 6th International Conference on Multi-Objective Programming and Goal Programming, Hammamat (Tunisia), 2004.
Kharrat, A., H. Chabchoub, B. Aouni and S. Smaoui «Serial Correlation Estimation through the Imprecise Goal Programming Model», Proceedings of the 6th International Conference on Multi-Objective Programming and Goal Programming, Hammamat (Tunisia), 2004.
Cherif, M. S., H. Chabchoub and B. Aouni, «Conception d’un système de contrôle de la qualité à l’aide du modèle du Goal Programming», Administrative Sciences Association of Canada, Management Science, 25, No. 2004 (1-16).
Aouni, B., F. Ben Abdelaziz and R. El Fayedh, «La programmation par but stochastique: application au problème de sélection de portefeuille», Administrative Sciences Association of Canada, Management Science, 24, No. 2, 2003 (63-75).
Chabchoub, H., Hachicha and B. Aouni, «Un modèle générique d’évaluation hiérarchique et d’analyse de la compétitivité», Administrative Sciences Association of Canada, Management Science, Vol. 24 , No. 2, 2003 (108-119)
Kammoun, R., H. Chabchoub and B. Aouni, «La démarche de la qualité totale dans des entreprises partenaires : étude exploratoire», Administrative Sciences Association of Canada, Management Science, 24, No. 7, 2003 (91-103).
Allouche, A., B. Aouni, J.-M. Martel, T. Loukil and A. Rebaï, Solving Multi-Criteria Scheduling Flow Shop Problem Through the Compromise Programming Model», Administrative Sciences Association of Canada, Production and Operations Management, 24, No 7, 2003 (1-12).
Aouni, B., F. Ben Abdelaziz and R. El Fayedh, «Stochastic Goal Programming for Portfolio Selcetion», International Finance Conference 2, Tunisia, 2003 (258-276).
Aouni, B., S. Bettahar and M. Belmokadem, «Mesure de la pauvreté À l’aide des sous-ensembles flous», Administrative Sciences Association of Canada, Management Science, 23, No. 2, 2002.
Wang, Z. Aouni and O. Ganjavi, «Balanced Solution in Distance Function Models», Administrative Sciences Association of Canada, Management Science, Vol. 22, No. 2, 2001 (26-30).
Goghrod, H., J.-M. Martel and B. Aouni, «Une approche multicritère pour la gestion d’un parc de matériel roulant». Modélisation et Simulation, Vol. 2, 2001 (921-928).
Ben Amor, S., -M. Martel and B. Aouni, « Partage des économies associées à la quantité d’escompte à l’aide de fonctions de satisfaction». Modélisation et Simulation, Vol. 2, 2001 (929-936).
Martel, J.-M. and B. Aouni, «Incorporating the Decision Maker’s Preferences in the Goal Programming Model with Fuzzy Goal Values: A New Formulation». Lecture Notes in Economics and Mathematical Systems, Springer-Verlag, 1996 (258-267).
Aouni, B., O. Kettani and J.-M. Martel, «Estimation through Imprecise Goal programming Model». Advances in Multiple Objective and Goal Programming, Lecture Notes in Economics and Mathematical Systems, No. 455, Springer-Verlag, 1997 (120-130).
Aouni, B. and J.-M. Martel, “Real Estate Estimation through an Imprecise Goal Programming Model”, Methods and Heuristics for Decision Making, the International Conference on Artificial and Computational Intelligence for Decision, Control and Automation in Engineering and Industrial Applications, 2000 (1-6).
Goghrod, H., J.-M. Martel and B. Aouni, «La gestion du parc matériel roulant du Ministère des Transports du Québec: Approche par la programmation mathématique à objectifs multiples», Administrative Sciences Association of Canada, Management Science, Vol. 21, No. 2, 2000 (74-85).
Martel, J.-M. and B. Aouni, «Une reformulation du modèle de programmation avec buts imprécis», Administrative Sciences Association of Canada, Management Science,Vol. 14, No. 2, 1993 (95-103).
Aouni, B., «Linéarisation des expressions quadratiques en programmation mathématique : des bornes plus efficaces», Administrative Sciences Association of Canada, Management Science, Vol. 17, No. 2, 1996 (38-46).
Kettani, O., J.-M. Martel and B. Aouni, «Normalisation et intégration de la structure de préférences dans le Goal Programming», Administrative Sciences Association of Canada, Management Science, Vol. 18, No. 2, 1997 (1-14).
Goghrod, H., J.-M. Martel and B. Aouni, “A Goal Programming Model for Vehicles Park Management”, Methods and Heuristics for Decision Making,the International Conference on Artificial and Computational Intelligence for Decision, Control and Automation in Engineering and Industrial Applications, 2000 (7-14).
Aouni, B., J.-M. Martel and A. Allouche, «Ordonnancement multicritère à l’aide du Compromise Programming», Administrative Sciences Association of Canada, Production and Operations Management, Vol. 21, No. 7, 2000 (1-11).
Aouni, B. and J.-M. Martel, «L’évaluation foncière à l’aide des fonctions de satisfaction dans un contexte de données imprécises», Administrative Sciences Association of Canada, Production and Operations Management, Vol. 21, No. 7, 2000 (43-51).
Martel, J.-M. and B. Aouni, «Introduction of the Decision-maker’s Preferences in the Goal Programming Model», Proceedings of the Third Meeting of the ESIGMA Working Group, Paris, 1988 (1-10).