P. Gebhard, and M. Klesen. Intelligent Virtual Agents: 5th International Working Conference, IVA 2005, Kos, Greece, volume 3661 of Lecture Notes in Artificial Intelligence, Springer, Berlin, (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)
B. van Putten, M. Kuestner, and M. Rosjat. Proceedings of 14th IEEE International Conference on Emerging Technologies and Factory Automation (ETFA 2009), Palma de Mallorca, Spain, page a.1--a.4. (2009)