1. A Computer-Aided Methodology for Conceptual Data Base Design;Batini;Inform. Systems,1982
2. Knowledge Bases and Data Bases: Semantic vs. Computational Theories of Information;Brodie,1986
3. On Conceptual Modelling,1984
4. Proc. of the Pingree Park Workshop on Data Abstraction, Data Bases, and Conceptual Modelling,1981
5. SIGART Newsletter,1983