S. Germesin, and T. Wilson. Proceedings of the 11th International Conference on Multimodal Interfaces and the 6th Workshop on Machine Learning for Multimodal Interfaces (ICMI-MLMI '09), Cambridge, MA, USA, page 7-14. (2009)
P. Gebhard. Proceedings of the Fourth International Joint Conference on Autonomous Agents and Multiagent Systems (AAMAS '05), Utrecht, The Netherlands, page 29--36. New York, ACM, (2005)
A. Ndiaye, P. Gebhard, M. Kipp, M. Klesen, M. Schneider, and W. Wahlster. Intelligent Technologies for Interactive Entertainment: First International Conference, INTETAIN 2005, Madonna di Campiglio, Italy, volume 3814 of Lecture Notes in Artificial Intelligence, Springer, Berlin, (2005)
Z. Cherif, A. Nait-Ali, J. Motsch, and M. Krebs. Proceedings of the19th IEEE Instrumentation and Measurement Technology Conference (IMTC 2002), Anchorage, AK, USA, 2, page 1029--1033. (2002)