M. Brodie, und S. Chaudhuri. VLDB'99, Proceedings of 25th International Conference on Very Large Data Bases, September 7-10, 1999, Edinburgh, Scotland, UK, (1999)
M. Brodie. Proceedings of the IFIP WG 2.6 Database Semantics Conference on Interoperable Database Systems (DS-5), Lorne, Victoria, Australia, 16-20 November 1992, (1992)