1. Ray Bareiss. Exemplar-Based Knowledge Acquisition: A unified Approach to Concept Representation, Classi_cation and Learning. Academic Press, 1989.
2. Ralph Bergmann. Knowledge acquisition by generating skeletal plans. In F. Schmalhofer, G. Strube, and Th. Wetter, editors, Contemporary Knowledge Engineering and Cognition, pages 125–133, Heidelberg, 1992. Springer.
3. Ralph Bergmann. Effizientes Problemlösen durch flexible Wiederverwendung von Fällen auf verschiedenen Abstraktionsebenen. PhD thesis, Universität Kaiserslautern, 1996. Available as DISKI 138, infix Verlag. 6 CBR-Works was jointly developed by tec:inno GmbH and the University of Kaiserslautern during the funded projects INRECA, WiMo, and INRECA-II and is now marketed as a commercial product by tec:tnno.
4. Ralph Bergmann, Sean Breen, Mehmet Göker, Michel Manago, and Stefan Wess. Developing Industrial Case Based Reasoning Applications: The INRECA Methodology. Number 1612 in LNAI. Springer-Verlag, 1999.
5. Ralph Bergmann, Ivo Vollrath, and Thomas Wahlmann. Generalized cases and their application to electronic designs. In Erica Melis, editor, Proceedings of the 7th German Workshop on CBR, Würzburg, pages 6–19, 1999.