Herbert Weber. Are Data Types Universal Modelling Concepts for Data Base Systems?. In Michael L. Brodie, Stephen N. Zilles, editors, Proceedings of the Workshop on Data Abstraction, Databases and Conceptual Modelling, Pingree Park, Colorado, June 23-26, 1980. Volume 11 of pages 201-202, ACM Press, 1980. [doi]
Abstract is missing.