T. William Olle. A Tutorial on Data Modelling Using Entity Types, Attributes and Relationships. In Clyde W. Holsapple, Andrew B. Whinston, editors, Data Base Management: Theory and Applications, Proceedings of the NATO Advanced Study Institute held at Estoril, Portugal, June 1-14, 1981. Volume 98 of Nato Advanced Study Institutes Series, pages 35-58, Springer, 1981. [doi]
Abstract is missing.