R. Bergmann, M. Richter, S. Schmitt, A. Stahl, and I. Vollrath. Professionelles Wissensmanagement -- Erfahrungen und Visionen (Includes Proceedings of the 9th German Workshop on Case-Based Reasoning, GWCBR 2001), Baden-Baden, Germany, page 264--274. Aachen, Shaker-Verlag, (2001)
M. Richter. Invited Talk at the First International Conference on Case-Based Reasoning, ICCBR'95, Sesimbra, Portugal, (1995)http://wwwagr.informatik.uni-kl.de/~?lsa/CBR/Richtericcbr95remarks.html Last access: 2002-10-18.