Engels, Gregor, Reiko Heckel, Gabriele Taentzer, and Hartmut Ehrig. “A Combined Reference Model- and View-Based Approach to System Specification.” Int. Journal of Software and Knowledge Engeneering 7, no. 4 (1997): 457–77.

Ehrig, Hartmut, Reiko Heckel, Martin Korff, Michael Löwe, Leila Ribeiro, Annika Wagner, and Andrea Corradini. “Algebraic Approaches to Graph Transformation, Part II: Single Pushout Approach and Comparison with Double Pushout Approach.” In Handbook of Graph Grammars and Computing by Graph Transformations, Volume 1: Foundations, 247–312. Singapore: World Scientific, 1997.

Engels, Gregor, Jan Rekers, and Marc Andries. “How to Represent a Visual Specification.” In Visual Language Theory, 241–55. Berlin/Heidelberg: Springer, 1997.

Corradini, Andrea, Ugo Montanari, Francesca Rossi, Hartmut Ehrig, Reiko Heckel, and Michael Löwe. “Algebraic Approaches to Graph Transformation, Part I: Basic Concepts and Double Pushout Approach.” In Handbook of Graph Grammars and Computing by Graph Transformation, Volume 1: Foundations, 163–245. Singapore: World Scientific, 1997.

Engels, Gregor, Hartmut Ehrig, Grzegorz Rozenberg, and Andrzej Skowron, eds. Special Issue on Graph Transformations. Vol. 26. Fundamenta Informaticae. Amsterdam: IOS Press, 1996.

Ehrig, Hartmut, Reiko Heckel, Julia Padberg, Gabriele Taentzer, Uwe Wolter, Andrea Corradini, and Gregor Engels. “Synchronization of Views and Loose Semantics of Typed Graph Productions.” In Report on the Dagstuhl-Seminar 9637 on Graph Transformations in Computer Science, 11–12. Technical University of Berlin, 1996.

Heckel, Reiko. “Behavioral Constraints for Loose Graph Transformation Systems.” In Report on the Dagstuhl-Seminar 9637 on Graph Transformations in Computer Science, 12–13. Dagstuhl-Seminar-Report. Technical University of Berlin, 1996.

Bunje, Tineke de, Gregor Engels, Luuk Groenewegen, Aart Matsinger, and Martin Rijnbeek. “Industrial Maintenance Modelled in SOCCA: An Experience Report.”http://dx.doi.org/10.1109/ICSP.1996.565021__In Proceedings of the Fourth International Conference on the Software Process (ICSP 1996), Brighton (UK), 13–26. Washington, DC, USA: IEEE Computer Society, 1996.http://dx.doi.org/10.1109/ICSP.1996.565021 .

Engels, Gregor, Hartmut Ehrig, Reiko Heckel, Gabriele Taentzer, and Andrea Corradini. “A View-Based Approach to System Modelling.” In Report on Dagstuhl-Seminar 9637 on Graph Transformations in Computer Science, 155:11. Dagstuhl-Seminar-Report. Technical University of Berlin, 1996.

Engels, Gregor, Luuk Groenewegen, and Gerti Kappel. “Object-Oriented Specification of Coordinated Collaboration.” In Proceedings of IFIP World Conference on IT Tools (1996), Canberra (Australia), 437–52. Chapman &; Hall, 1996.

Andries, Marc, Gregor Engels, Annegret Habel, Berthold Hoffmann, Hans-Jörg Kreowski, Sabine Kuske, Detlef Plump, Andy Schürr, and Gabriele Taentzer. Graph Transformation for Specification and Programming. University of Bremen, Department of Mathematics and Computer Science, 1996.

Busatto, Giorgio, and Gregor Engels. Definition of an Encapsulated Hierarchical Graph Data Model: Static Aspects, Part 1. Vakgroep Informatica, Rijksuniversiteit Leiden, 1996.

Engels, Gregor, Luuk Groenewegen, and Gerti Kappel. Object-Oriented Specification of Coordinated Collaboration. Vakgroep Informatica, Rijksuniversiteit Leiden, 1996.

Heckel, Reiko, Andrea Corradini, Hartmut Ehrig, and Michael Löwe. Horizontal and Vertical Structuring of Typed Graph Transformation Systems, 1996.

Bunje, Tineke de, Gregor Engels, Luuk Groenewegen, Michael Heus, and Aart Matsinger. “Towards Measurable Process Models.”http://dx.doi.org/10.1007/BFb0017743__In Proceedings of the Workshop on Software Process Technology (EWSPT 1996), Nancy (France), 1149:183–87. Berlin/Heidelberg: Springer, 1996.http://dx.doi.org/10.1007/BFb0017743 .

Ehrig, Hartmut, and Gregor Engels. “Pragmatic and Semantic Aspects of a Module Concept for Graph Transformation Systems.” In Selected Papers from the 5th International Workshop on Graph Gramars and Their Application to Computer Science, Williamsburg, VA (USA), 1073:137–54. Berlin/Heidelberg: Springer, 1996.

Engels, Gregor, and Andreas Zamperoni. “Comprehensive Support for Change: Generic, Multi-Dimensional (Software) Engineering Frameworks (Position Paper).” In Proceedings of the Workshop on Requirements Engineering in a Changing World (Satellite Event of the Conference on Advanced Information Systems Engineering (CAISE 1996)), Crete (Greece), 42–44, 1996.

Groenewegen, Luuk, and Gregor Engels. “Reuse of Software Process Fragments Is Reuse of Software, Too.” In Proceedings of the 10th International Software Process Workshop (ISPW 1996), Ventron (France), 68. Washington, DC, USA: IEEE Computer Society, 1996.

Heckel, Reiko, Mirko Conrad, Gottfried Egger, and Jörg Hiemer. “Automatic Integration of Safety Invariants into Z Specifications.” In Proceedings of the Workshop on Tools for System Development and Verifcation, 1:70–83. Bremen, Germany: Shaker Verlag, 1996.

Habel, Annegret, Reiko Heckel, and Gabriele Taentzer. “Graph Grammars with Negative Application Conditions.” Fundamenta Informaticae 26, no. 3,4 (1996): 287–313.