A. Baudry, M. Bungenstock, and B. Mertsching. Proceedings of World Conference on E-Learning in Corporate, Government, Healthcare, and Higher Education 2002, page 110-116. Norfolk, VA, Association for the Advancement of Computing in Education (AACE), (October 2002)
Y. Ye, and G. Fischer. ICSE '02: Proceedings of the 24th International Conference on Software Engineering, page 513--523. New York, NY, USA, ACM, (2002)
Y. Ye, and G. Fischer. IUI '02: Proceedings of the 7th international conference on Intelligent user interfaces, page 159--166. New York, NY, USA, ACM, (2002)