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.
R. Bergmann, и A. Stahl. Advances in Case-Based Reasoning, Proceedings of the 4th European Workshop on Case-Based Reasoning, EWCBRY98, Dublin, Ireland, стр. 25--36. Berlin, Springer-Verlag, (1998)