@inproceedingsCorradini_Heckel_1995, series=Electronic Notes in Theoretical Computer Science , title=A Compositional Approach to Structuring and Refinement of Typed Graph Grammars, volume=2, booktitle=Proceedings of the Joint COMPUGRAPH/SEMAGRAPH Workshop on Graph Rewriting and Computation (SEGRAGRA 1995), Volterra (Italy), publisher=Elsevier, author=Corradini, Andrea and Heckel, Reiko, year=1995, pages=46–55, collection=Electronic Notes in Theoretical Computer Science  
LibreCat: /record/8267

@inproceedingsBardohl_Bardohl_Castro_Ehrig_Heckel_Ribeiro_Nunes_Martini_1995, series=Bilateral Seminars of the International Bureau, title=GRAPHIT: Graphical Support and Integration of Formal and Semiformal Methods for Software Specification and Development, volume=26, booktitle=Proceedings of the 3rd German-Brazilian Workshop on Information Technology (1995), Berlin (Germany), publisher=Forschungszentrum Jülich GmbH, author=Bardohl, Bernhard and Bardohl, Roswitha and Castro, Paulo and Ehrig, Hartmut and Heckel, Reiko and Ribeiro, Leila and Nunes, Daltro and Martini, Alfio, year=1995, collection=Bilateral Seminars of the International Bureau 
LibreCat: /record/8268

@inproceedingsEngels_Schürr_1995, place=Amsterdam, The Netherlands, series=Electronic Notes in Theoretical Computer Science, title=Encapsulated Hierarchical Graphs, Graph Types, and Meta Types, DOI=http://dx.doi.org/10.1016/S1571-0661(05)80186-0, booktitle=Proceedings of the Joint COMPUGRAPH/SEMAGRAPH Workshop on Graph Rewriting and Computation (SEGRAGRA 1995), Volterra (Italy), publisher=Elsevier, author=Engels, Gregor and Schürr, Andy, year=1995, pages=101–109, collection=Electronic Notes in Theoretical Computer Science 
LibreCat: /record/8269
DOI: http://dx.doi.org/10.1016/S1571-0661(05)80186-0

@inproceedingsHeckel_Wagner_1995, series=Electronic Notes in Theoretical Computer Science, title=Ensuring Consistency of Conditional Graph Grammars - A constructive Approach, volume=2, DOI=http://dx.doi.org/10.1016/S1571-0661(05)80188-4, booktitle=Proceedings of the Joint COMPUGRAPH/SEMAGRAPH Workshop on Graph Rewriting and Computation (SEGRAGRA 1995), Volterra (Italy), publisher=Elsevier, author=Heckel, Reiko and Wagner, Annika, year=1995, pages=118–126, collection=Electronic Notes in Theoretical Computer Science 
LibreCat: /record/8270
DOI: http://dx.doi.org/10.1016/S1571-0661(05)80188-4

@bookEhrich_Engels_Paredaens_Wegner_1994, series=Dagstuhl-Seminar-Report, title=Fundamentals of Object-Oriented Languages, Systems, and Methods, volume=95, publisher=Schloss Dagstuhl, Leibniz Center for Informatics, year=1994, collection=Dagstuhl-Seminar-Report 
LibreCat: /record/7797

@bookCuny_Ehrig_Engels_Rozenberg_1994, place=Berlin/Heidelberg, series=LNCS, title=Graph Gramars and Their Application to Computer Science, 5th International Workshop (1994), Selected Papers, volume=1073, DOI=http://dx.doi.org/10.1007/3-540-61228-9, publisher=Springer, year=1994, collection=LNCS 
LibreCat: /record/7798
DOI: http://dx.doi.org/10.1007/3-540-61228-9

@inproceedingsThoben_Appelrath_Rettig_Sauer_1994, place=München, title=Berücksichtigung von Datenschutzaspekten in einem bevölkerungsbezogenen Krebsregister, booktitle=Proceedings of the conference on Medizin und Information, Biometrie und Epidemiologie (GMDS 1994), Dresden (Germany), publisher=MMV Medizin Verlag, author=Thoben, Wilfried and Appelrath, Hans-Jürgen and Rettig, Jens and Sauer, Stefan, year=1994, pages=88–90 
LibreCat: /record/7827

@inproceedingsEbert_Engels_1994, place=Berlin/Heidelberg, title=Structural and Behavioural Views on OMT-Classes, volume=858, booktitle=Proceedings of the International Symposium on Object-Oriented Methodologies and Systems (ISOOMS 1994), Palermo (Italy), publisher=Springer, author=Ebert, Jürgen and Engels, Gregor, year=1994, pages=142–157 
LibreCat: /record/7828

@inproceedingsEngels_Kappel_1994, title=Object-Oriented System Development: Will the New Approach Solve Old Problems?, volume=3, booktitle=Proceedings of the IFIP 13th World Computer Congress on Information Processing, Hamburg (Germany), publisher=Elsevier, author=Engels, Gregor and Kappel, Gerti, year=1994, pages=434–441 
LibreCat: /record/7829

@inproceedingsEngels_Ehrig_1994, series=Technical Report , title=Towards a Module Concept for Graph Transformation Systems: The Software Engineering Perspective, volume=B-19, booktitle=Proceedings Colloquium on Graph Transformation and its Application in Computer Science, publisher=Universitat de les Illes Balears, Departament de Ci, author=Engels, Gregor and Ehrig, Hartmut, year=1994, collection=Technical Report  
LibreCat: /record/7830

@bookEbert_Engels_1994, title=Observable or Invocable Behaviour - You Have to Choose, publisher=Vakgroep Informatica, Rijksuniversiteit Leiden, author=Ebert, Jürgen and Engels, Gregor, year=1994 
LibreCat: /record/8193

@inproceedingsAndries_Engels_1994, place=Berlin/Heidelberg, series=LNCS, title=Syntax and Semantics of Hybrid Database Languages, volume=776, DOI=http://dx.doi.org/10.1007/3-540-57787-4_2, booktitle=Proceedings of the International Workshop on Graph Transformations in Computer Science (1993), Dagstuhl (Germany), publisher=Springer, author=Andries, Marc and Engels, Gregor, year=1994, pages=19–36, collection=LNCS 
LibreCat: /record/8263
DOI: http://dx.doi.org/10.1007/3-540-57787-4_2

@inproceedingsEngels_Groenewegen_1994, place=Berlin/Heidelberg, series=LNCS, title=Specification of coordinated behaviour by SOCCA, DOI=http://dx.doi.org/10.1007/3-540-57739-4_19, booktitle=Proceedings of the Third European Workshop on Software Process Technology (EWSPT 1994), Villard de Lans (France), publisher=Springer, author=Engels, Gregor and Groenewegen, Luuk, year=1994, pages=128–151, collection=LNCS 
LibreCat: /record/8264
DOI: http://dx.doi.org/10.1007/3-540-57739-4_19

@inproceedingsEngels_Löhr_1994, place=Berlin/Heidelberg, title=Visual Specification of Complex Database Actions, booktitle=Proceedings of the 2nd International East/West Database Workshop, Klagenfurt (Germany), publisher=Springer, author=Engels, Gregor and Löhr, Perdita, year=1994, pages=303–314 
LibreCat: /record/8265

@articleLöhr-Richter_Engels_1994, title=Visuelles Spezifizieren von komplexen Aktionen auf Datenbankstrukturen, volume=13, journal=GI-Datenbank Rundbrief, author=Löhr-Richter, Perdita and Engels, Gregor, year=1994, pages=33–35 
LibreCat: /record/7407

@inbookEbert_Engels_1994, title=Design Representation, booktitle=Encyclopedia of Software Engineering, publisher=John Wiley &; Sons, Inc., author=Ebert, Jürgen and Engels, Gregor, year=1994, pages=382–394 
LibreCat: /record/7512

@inbookEngels_Groenewegen_1994, place=Taunton, title=SOCCA: Specifications of Coordinated and Cooperative Activities, booktitle=Software Process Modelling and Technology, publisher=Research Studies Press, author=Engels, Gregor and Groenewegen, Luuk, year=1994, pages=71–102 
LibreCat: /record/7513

@inproceedingsEngels_Verrijn-Stuart_1993, series=Reihe 10: Informatik/Kommunikationstechnik, title=Integrationsaspekte bei verteilter Software-Entwicklung, number=251, booktitle=Fortschritt-Berichte VDI, publisher=VDI Verlag, author=Engels, Gregor and Verrijn-Stuart, A.A., year=1993, pages=45–53, collection=Reihe 10: Informatik/Kommunikationstechnik 
LibreCat: /record/7826

@bookAndries_Engels_1993, title=A Hybrid Query Language for the Extended Entity Relationship Model, publisher=Vakgroep Informatica, Rijksuniversiteit Leiden, author=Andries, Marc and Engels, Gregor, year=1993 
LibreCat: /record/8190

@bookEhrig_Engels_1993, title=Towards a Module Concept for Graph Transformation Systems, publisher=Vakgroep Informatica, Rijksuniversiteit Leiden, author=Ehrig, Hartmut and Engels, Gregor, year=1993 
LibreCat: /record/8191