1. The Asystem. Obtainable via http://www.cs.kuleuven.ac.be/~dtai/kt/systems-E.shtml .
2. Pieter Bekaert, Geert Delanote, Frank Devos, and Eric Steegmans. Specialization /Generalization in Object-Oriented Analysis: Strengthening and Multiple Partitioning. In Workshop MASPEGHI: MAnaging SPEcialization /Generalization HIerarchies, OOIS 2002, September 2002.
3. Pieter Bekaert and Eric Steegmans. Non-Determinism in Conceptual Models. In Proceedings of the Tenth OOP SLA Workshop on Behavioral Semantics, OOP-SLA’01, October 2001.
4. Pieter Bekaert, Bert Van Nuffelen, Maurice Bruynooghe, David Gilis, and Marc Denecker. Specifying An Educational Resource Management System: A Transformative Approach. Report, Department of Computer Science, K.U.Leuven, Leuven, Belgium, in preparation, draft at http://www.cs.kuleuven.ac.be/~dtai/kt/btw/ .
5. Pieter Bekaert, Bert Van Nuffelen, Maurice Bruynooghe, David Gilis, and Marc Denecker. Transforming EROOS Conceptual Models to ID-Logic Theories: A Case Study. Report, Department of Computer Science, K.U.Leuven, Leuven, Belgium, in preparation, draft at http://www.cs.kuleuven.ac.be/~dtai/kt/btw/ .