| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Advances in Database Technology-Edbt 92: 3rd International Conference on Extending Database Technology Vienna, Austria, March 23-27, 1992 Proceedings | 978-0-387-55270-5 (0-387-55270-7) | 1992 | A. Pirotte |
| Deductive and Object-Oriented Databases: Second International Conference, Dood '91 Munich, Germany, December 16-18, 1991 Proceedings | 978-0-387-55015-2 (0-387-55015-1) | 1991 | M. Kifer |