1. Franz Baader, Martin Buchheit, and Bernhard Hollunder. Cardinality restrictions on concepts. Artificial Intelligence, 88(1–2):195–213, 1996.
2. Franz Baader, Diego Calvanese, Deborah McGuinness, Daniele Nardi, and Peter F. Patel-Schneider, editors. The Description Logic Handbook: Theory, Implementation, and Applications. Cambridge University Press, Cambridge, 2003.
3. Franz Baader, Enrico Franconi, Bernhard Hollunder, Bernhard Nebel, and Hans-Jürgen Profitlich. An empirical analysis of optimization techniques for terminological representation systems or: Making KRIS get a move on. Applied Artificial Intelligence. Special Issue on Knowledge Base Management, 4: 109–132, 1994.
4. Franz Baader and Philipp Hanschke. A schema for integrating concrete domains into concept languages. In Proc. of the 12th Int. Joint Conf. on Artificial Intelligence (IJCAI’91), pages 452–457, 1991.
5. Franz Baader, Ralf Küsters, and Frank Wolter. Extensions to description logics. In [2], pages 219–261. 2003.