- Andreas Brandstädt, Van Bang Le, editors, Graph-Theoretic Concepts in Computer Science, 27th International Workshop, WG 2001, Boltenhagen, Germany, June 14-16, 2001, Proceedings. Volume 2204 of Lecture Notes in Computer Science, Springer, 2001.
- Seventh International Workshop on Groupware (CRIWG 01), September 6-8, 2001, Darmstadt, Germany, Proceedings. IEEE Computer Society, 2001.