C. Kunzmann, and A. Schmidt. I-KNOW ´09, 9th International Conference on Knowledge Management and Knowledge Technologies, 2-4 September, Graz, (2009)MATURE.
W. Bielecki, T. Klimek, and K. Trifunovic. Electronic Notes in Discrete Mathematics, (2009)International Conference on Graph Theory and its Applications.
D. Albert, and L. Stefanutti. Proceedings of the International Conference on Computers in Education ICCE 03, Hong Kong, Asia-Pacific Chapter of the Association for the Advancement of Computers in Education, (December 2003)
D. Albert. Psychologische Forschung in Österreich, page 25--29. Klagenfurt, Austria, Universitätsverlag Carinthia, (1994)Bericht über die 1. Wissenschaftliche Tagung der Österreichischen Gesellschaft für Psychologie.
V. Garcia-Barrios, G. Beham, and B. Kump. 6th International Conference and Workshops on Community Based Environments: OpenACS and .LRN Conference 2008, (2008)