1. W. Armstrong, Dependency structures of database relationships, Proceedings of the IFIP Congress, Geneva, Switzerland, 1974, pp. 580–583.
2. Independent database schemes under functional and inclusion dependencies;Atzeni,1987
3. C. Batini, C. Di Battista, Second generation data dictionaries: structure, design and usage, in: Tutorial at the EDBT‘92 Conference, 1992.
4. Conceptual Database Design: an Entity-Relationship Approach;Batini,1992
5. Proceedings of the 4th International Conference on Very Large Data Bases, VLDB‘78, West Berlin, Germany;Beeri,1978