Andries, M., &; Engels, G. (1996). A Hybrid Query Language for the Extended Entity Relationship Model. Journal of Visual Languages and Computing, 7(3), 321–352.http://dx.doi.org/10.1006/jvlc.1996.0017 

Engels, G., Nagl, M., Schäfer, W., &; Westfechtel, B. (1996). Tight Integration on One Document: The Programming Environment. In Building Tightly Integrated Software Development Environments: The IPSEN Approach (Vol. 1170, pp. 170–177). Berlin/Heidelberg: Springer.

Heckel, R., Müller, J., Taentzer, G., &; Wagner, A. (1995). Attributed Graph Transformations with Controlled Application of Rules. In Proceedings of the Colloquium on Graph Transformation and its Application in Computer Science. Universitat de les Illes Balears.

Thoben, W., Appelrath, H.-J., &; Sauer, S. (1995). Record Linkage of Anonymous Data by Control Numbers. In Proceedings of the 18th Annual Conference of the Gesellschaft für Klassifikation, Oldenburg (Germany) (pp. 412–419). Berlin/Heidelberg: Springer.

Heckel, R. (1995). Embedding of Conditional Graph Transformations. In Proceedings of the Colloquium on Graph Transformation and its Application in Computer Science. Universitat de les Illes Balears.

Conrad, M., Gajewsky, M., Holl-Biniasz, R., Rudolf, M., Demuth, J., Weber, S.,  Wagner, A. (1995). Graphische Spezifikation ausgewählter Teile von AGG - einem algebraischen Graphgrammatiksystem.

Ebert, J., &; Engels, G. (1995). Specialization of Object Life Cycle Definitions. Koblenz: University of Koblenz-Landau.

Engels, G., &; Schürr, A. (1995). Encapsulated Hierarchical Graphs, Graph Types, and Meta Types. Vakgroep Informatica, Rijksuniversiteit Leiden.

Groenewegen, L., &; Engels, G. (1995). Coordination by Behavioural Views and Communication Patterns. In Proceedings of the 4th European Workshop on Software Process Technology (EWSPT 1995), Noordwijkerhout (The Netherlands) (Vol. 913, pp. 189–192). Berlin/Heidelberg: Springer.http://dx.doi.org/10.1007/3-540-59205-9_56 

Corradini, A., &; Heckel, R. (1995). A Compositional Approach to Structuring and Refinement of Typed Graph Grammars. In Proceedings of the Joint COMPUGRAPH/SEMAGRAPH Workshop on Graph Rewriting and Computation (SEGRAGRA 1995), Volterra (Italy) (Vol. 2, pp. 46–55). Elsevier.

Bardohl, B., Bardohl, R., Castro, P., Ehrig, H., Heckel, R., Ribeiro, L.,  Martini, A. (1995). GRAPHIT: Graphical Support and Integration of Formal and Semiformal Methods for Software Specification and Development. In Proceedings of the 3rd German-Brazilian Workshop on Information Technology (1995), Berlin (Germany) (Vol. 26). Forschungszentrum Jülich GmbH.

Engels, G., &; Schürr, A. (1995). Encapsulated Hierarchical Graphs, Graph Types, and Meta Types. In Proceedings of the Joint COMPUGRAPH/SEMAGRAPH Workshop on Graph Rewriting and Computation (SEGRAGRA 1995), Volterra (Italy) (pp. 101–109). Amsterdam, The Netherlands: Elsevier.http://dx.doi.org/10.1016/S1571-0661(05)80186-0 

Heckel, R., &; Wagner, A. (1995). Ensuring Consistency of Conditional Graph Grammars - A constructive Approach. In Proceedings of the Joint COMPUGRAPH/SEMAGRAPH Workshop on Graph Rewriting and Computation (SEGRAGRA 1995), Volterra (Italy) (Vol. 2, pp. 118–126). Elsevier.http://dx.doi.org/10.1016/S1571-0661(05)80188-4 

Ehrich, H.-D., Engels, G., Paredaens, J., &; Wegner, J. (Eds.). (1994). Fundamentals of Object-Oriented Languages, Systems, and Methods (Vol. 95). Schloss Dagstuhl, Leibniz Center for Informatics.

Cuny, J., Ehrig, H., Engels, G., &; Rozenberg, G. (Eds.). (1994). Graph Gramars and Their Application to Computer Science, 5th International Workshop (1994), Selected Papers (Vol. 1073). Berlin/Heidelberg: Springer.http://dx.doi.org/10.1007/3-540-61228-9 

Thoben, W., Appelrath, H.-J., Rettig, J., &; Sauer, S. (1994). Berücksichtigung von Datenschutzaspekten in einem bevölkerungsbezogenen Krebsregister. In Proceedings of the conference on Medizin und Information, Biometrie und Epidemiologie (GMDS 1994), Dresden (Germany) (pp. 88–90). München: MMV Medizin Verlag.

Ebert, J., &; Engels, G. (1994). Structural and Behavioural Views on OMT-Classes. In Proceedings of the International Symposium on Object-Oriented Methodologies and Systems (ISOOMS 1994), Palermo (Italy) (Vol. 858, pp. 142–157). Berlin/Heidelberg: Springer.

Engels, G., &; Kappel, G. (1994). Object-Oriented System Development: Will the New Approach Solve Old Problems? In Proceedings of the IFIP 13th World Computer Congress on Information Processing, Hamburg (Germany) (Vol. 3, pp. 434–441). Elsevier.

Engels, G., &; Ehrig, H. (1994). Towards a Module Concept for Graph Transformation Systems: The Software Engineering Perspective. In Proceedings Colloquium on Graph Transformation and its Application in Computer Science (Vol. B-19). Universitat de les Illes Balears, Departament de Ci.

Ebert, J., &; Engels, G. (1994). Observable or Invocable Behaviour - You Have to Choose. Vakgroep Informatica, Rijksuniversiteit Leiden.