@inproceedings{BaSat96b,
  author = 	 {Baader, F. and Sattler, U.},
  title = 	 {Number Restrictions on Complex Roles in Description Logics},
  booktitle = {Proceedings of the Fifth International Conference on the
                 Principles of Knowledge Representation and Reasoning (KR-96)},
  year = {1996},
  publisher = {Morgan Kaufmann, Los Altos},
  ccl = {yes},
  note = {An extended version has appeared as Technical Report LTCS-96-02}
}