R. Hatko, J. Baumeister, V. Belli, and F. Puppe. Knowledge Representation for Health-Care, volume 6924 of Lecture Notes in Computer Science, Springer, Berlin / Heidelberg, (2012)
R. Hatko, J. Reutelshoefer, J. Baumeister, and F. Puppe. Proceedings of the Workshop on Open Knowledge Models (OKM-2010) at the 17th International Conference on Knowledge Engineering and Knowledge Management (EKAW), (2010)
J. Baumeister, J. Bregenzer, and F. Puppe. KI'06: Proceedings of the 29th Annual German Conference on Artificial Intelligence, LNAI 4314, page 346-360. Springer, (2006)
J. Baumeister, D. Seipel, and F. Puppe. Handbook of Research on Emerging Rule-Based Languages and Technologies: Open Solutions and Approaches, chapter 11, IGI Publishing, (2009)