Ebert J, Engels G. Ein Konzept Zur Beschreibung von Software-Architekturen. EWH Koblenz; 1988.
LibreCat: /record/8186

Engels G, Janning T, Schäfer W. Die Benutzerschnittstelle einer integrierten Modula-2 Programmentwicklungsumgebung. In: Proceedings of GI-Workshop Sprachspezifische Programmierumgebungen, Darmstadt, Germany. ; 1988.
LibreCat: /record/8258

Engels G, Schürr A. A Hybrid Interpreter in a Software Development Environment. In: Proceedings of the 1st European Software Engineering Conference (ESEC ’87), Strasbourg (France). Vol 289. Berlin/Heidelberg: Springer; 1987:80-88.
LibreCat: /record/7816

Engels G, Nagl M, Schäfer W. On the Structure of Structure-Oriented Editors for Different Applications. In: Proceedings of the ACM SIGSOFT/SIGPLAN Software Engineering Symposium on Practical Software Development Environments, Palo Alto, USA. Vol 22. ACM SIGPLAN Notices; 1987:190-198.
LibreCat: /record/7817

Engels G, Lewerentz C, Schäfer W. Graph Grammar Engineering: A Software Specification Method. In: Proceedings of the 3rd International Workshop on Graph-Grammars and Their Application to Computer Science, Warrenton, VA (USA). Vol 291. Berlin/Heidelberg: Springer; 1987:186-201. doi:dx.doi.org/10.1007/3-540-18771-5
LibreCat: /record/8257
DOI: dx.doi.org/10.1007/3-540-18771-5

Engels G, Lewerentz C, Nagl M, Schäfer W. On the Structure of an Incremental and Integrated Software Development Environment. In: Proceedings of the 19th Hawaii International Conference on System Sciences, Hawaii, USA. Vol 2a. ; 1986:585-597.
LibreCat: /record/7815

Engels G, Sandbrink A. Experiences with a Hybrid-Interpreter Based on Incremental Compilation Techniques. In: Proceedings of the Workshop on Compiler Compilers and Incremental Compilation Techniques, Bautzen. Vol 12. Bautzen: Berlin(Ost): Akademie der Wissenschaften der DDR; 1986:172-184.
LibreCat: /record/8256

Engels G. Graphen Als Zentrale Datenstrukturen in Einer Software-Entwicklungsumgebung.; 1986.
LibreCat: /record/7588

Engels G, Schäfer W. Graph Grammar Engineering: A Method Used for the Development of an Integrated Programming Support Environment. In: Proceedings of the International Joint Conference on Theory and Practice of Software Development (TAPSOFT 1985), Berlin (Germany). Vol 186. LNCS. Berlin/Heidelberg: Springer; 1985:179-193.
LibreCat: /record/7813

Engels G, Schäfer W. The Design of an Adaptive and Portable Programming Support Environment. In: Proceedings of the International Computing Symposium, Amsterdam (The Netherlands). Florenz; 1985.
LibreCat: /record/7814

Nagl M, Engels G, Gall R, Schäfer W. Software Specification by Graph Grammars. In: Proceedings of the 2nd International Workshop on Graph-Grammars and Their Application to Computer Science, Osnabrück (Germany). Vol 153. LNCS. Berlin/Heidelberg: Springer; 1983:267-287. doi:dx.doi.org/10.1007/BFb0000113
LibreCat: /record/8255
DOI: dx.doi.org/10.1007/BFb0000113

Engels G, Gall R, Nagl M, Schäfer W. Software Specification Using Graph Grammars. Computing. 1983;31(4):317-346. doi:http://dx.doi.org/10.1007/BF02251236
LibreCat: /record/7411
DOI: http://dx.doi.org/10.1007/BF02251236

Engels G, Pletat U, Ehrich H-D. An Operational Semantics for Specifications of Abstract Data Types with Error Handling. Acta Informatica. 1983;9(3):235-254. doi:http://dx.doi.org/10.1007/BF00265557
LibreCat: /record/7412
DOI: http://dx.doi.org/10.1007/BF00265557

Engels G, Schäfer W. Specification of a Programming Support Environment by Graph Grammars. In: Proceedings of the Conference on Graphtheoretic Concepts in Computer Science (WG), München (Germany). München/Leipzig: Hanser; 1982:47-62.
LibreCat: /record/7811

Pletat U, Engels G, Ehrich H-D. An Operational Approach to Conditional Algebraic Specifications. In: Proceedings of the 7eme Colloque Sur Les Arbres En Algebre et En Programmation, Lille (France). Vol 82. ; 1982:254-270.
LibreCat: /record/7812

Engels G, Pletat U, Ehrich H-D. Handling Errors and Exceptions in the Algebraic Specifications of Data Types. University of Osnabrück; 1981.
LibreCat: /record/8184

Pletat U, Engels G, Ehrich H-D. Operational Semantics of Algebraic Specifications with Conditional Equations. University of Dortmund, Department of Computer Science; 1981.
LibreCat: /record/8185