- DDSS. 1984.
- DDSS. 1984.
- DDSS. 1984.
- DDSS. 1984.
- Reind P. van de Riet, Witold Litwin, editors, Distributed Data Sharing Systems, Proceedings of the Third International Seminar on Distributed Data Sharing Systems, DDSS 1984, Parma, Italy, 28-30 March, 1984. North-Holland, 1984.