S. Braun, and A. Schmidt. 8th International Conference on the Design of Cooperative Systems (COOP '08), Carry-le-Rouet, France, May 20-23, 2008, (2008)
S. Braun, and A. Schmidt. Proceedings of I-KNOW 2006, Special Track on Integrating Working and Learning, page 429-436. Berlin Heidelberg, Germany, Springer-Verlag, (6-8 09 2006)
S. Braun, and A. Schmidt. 7th International Conference on Knowledge Management (IKNOW '07), Special Track on Integrating Working and Learning in Business (IWL), (2007)