00886oam 2200253z- 450 99646586180331620180528174558.0(CKB)1000000000234542(EXLCZ)99100000000023454220151130c1996uuuu -u- -engConceptual modeling - ER '96 15th International Conference on Conceptual Modeling, Cottbus, Germany, October 7-10, 1996 : proceedings /Bernhard Thalheim (ed.)Springer Berlin Heidelberg3-540-61784-1 Database designCongressesRelational databasesCongressesDatabase designCongresses.Relational databasesCongresses.005.74Thalheim B(Bernhard),1952-1220871BOOK996465861803316Conceptual Modeling - ER '962829970UNISA