1. Aubé, M. and Senteni, A. (1996). Emotions as commitements operators: a foundation for control structure in multi-agents systems. In Van de Velde, W. and Perrarn, J., editors, Proceedings of the Seventh Workshop on Modelling Autonomous Agents in a Multi-Agent World (MAAMAW’96), 22–25 January, Eindhoven, The Netherlands, number 1038 in Lecture Notes in Artificial Intelligence, pages 13–25, London. Springer—Verlag.
2. Axelrod, R. (1984). The Evolution of Cooperation. Basic Books, New York.
3. Bates, J. (1994). The role of emotion in believable agents. Communications of the ACM, 37(7):122–125.
4. Bazzan, A. L. C, Bordini, R. H., and Campbell, J. A. (1999). Moral sentiments in multi-agent systems. In Miiller, J. P., Singh, M. P., and Rao, A. S., editors, Intelligent Agents V—Proceedings of the Fifth International Workshop on Agent Theories, Architectures, and Lan- guages (ATAL-98), held as part of the Agents’ World, Paris, 4–7 July 1998, number 1555 in Lecture Notes in Artificial Intelligence, pages 113–131, Heidelberg. Springer-Verlag. UCL-CS [RN/98/29].
5. Bercht, M. and Vicari, R. M. (2000). Pedagogical agents with affective and cognitive dimensions. In Fifth Ibero-American Congress on Educational Informatics (RIBIE 2000), Nina del Mar, Chile.