- G. M. Nijssen:
An Axiom and Architecture for Information Systems. ISCO 1989: 157-176 - Christine Parent, Stefano Spaccapietra:
About Entities, Complex Objects and Object-oriented Data Models. ISCO 1989: 193-224 - Paul A. M. M. van der Poel, Ria M. C. van Waes:
Framework for Architectures in Information Planning. ISCO 1989: 177-192 - Cristina Sernadas, José Luiz Fiadeiro, Robert Meersman, Amílcar Sernadas:
Proof-theoretic Conceptual Modeling: the NIAM Case Study. ISCO 1989: 1-30 - Amílcar Sernadas, José Luiz Fiadeiro, Cristina Sernadas, Hans-Dieter Ehrich:
The Basic Building Blocks of Information Systems. ISCO 1989: 225-246 - Alistair G. Sutcliffe, W. J. Black, Pericles Loucopoulos:
System Specification Semantics: Defining the Knowledge Captured by Structured System Development Methods in Conceptual Models. ISCO 1989: 53-78 - Alexander A. Verrijn-Stuart:
Some Reflections on the Namur Conference on Information System Concepts. ISCO 1989 - Yair Wand, Ron Weber:
An Ontological Evaluation of Systems Analysis and Design Methods. ISCO 1989: 79-108 - Roel J. Wieringa:
Three Roles of Conceptual Models in Information System Design and Use. ISCO 1989: 31-52 - Eckhard D. Falkenberg, Paul Lindgreen:
Information System Concepts: An In-depth Analysis, Proceedings of the IFIP TC8/WG8.1 Working Conference on Information System Concepts: An In-depth Analysis (ISCO 1989), Namur, Belgium, 18-20 October 1989. IFIP Transactions, North-Holland 1989, ISBN 0-444-88323-1 [contents]
