Engels, Gregor, Reiko Heckel, and Stefan Sauer. “Dynamic Meta Modelling: A Graphical Approach to Operational Semantics.” In Proceedings of the Workshop on Rigorous Modeling and Analysis with the UML: Challenges and Limitations (Satellite Event of the Conference on Onject-Oriented Programming, Systems, Languages, and Applications (OOPSLA 1999)), Denver, CO (USA), 1999.

Engels, Gregor, and Stefan Sauer. “MVC-Based Modeling Support for Embedded Real-Time Systems.” In Proceedings of OMER Workshop, Herrsching, Germany, 11–14. Herrsching, Universität der Bundeswehr München, Fakultät für Informatik, 1999.

Mehner, Katharina, and Annika Wagner. “An Assessment of Aspect Language Design.” In Proceedings of the Young Researchers Workshop (Satellite Event of the Generative and Component-Based Software Engineering (GCSE 1999)), Erfurt (Germany), 1999.

Mehner, Katharina, and Annika Wagner. “On the Role of Method Families in Aspect Oriented Programming.” In Proceedings of the ECOOP Workshop on Aspect Oriented Programming, Lisboa (Spain), 1743:305–6. LNCS. Berlin/Heidelberg: Springer, 1999.

Depke, Ralph, Gregor Engels, Katharina Mehner, Stefan Sauer, and Annika Wagner. “Ein Vorgehensmodell Für Die Multimedia-Entwicklung Mit Autorensystemen.”http://dx.doi.org/10.1007/s004500050128__Informatik Forschung Und Entwicklung 14, no. 2 (1999): 83–94.http://dx.doi.org/10.1007/s004500050128 .

Cherchago, Alexey, and V. Finaev. “Formalization of the Development Process for a Software-Hardware Reflexodiagnostic Tool.” Scientific Bulletin of Academy of Information Technologies in Education, Science and Balneology 3 (1999).

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.”http://dx.doi.org/10.1016/S0167-6423(98)00023-9__Science of Computer Programming 34, no. 1 (1999): 1–54.http://dx.doi.org/10.1016/S0167-6423(98)00023-9 .

Ehrig, Hartmut, Gregor Engels, Hans Jörg Kreowski, and Grzegorz Rozenberg. Handbook of Graph Grammars and Computing by Graph Transformation: Vol. 2: Applications, Languages, and Tools. River Edge, NJ, USA: World Scientific Publishing Co., Inc., 1999.

Heckel, Reiko, Gregor Engels, Hartmut Ehrig, and Gabriele Taentzer. “A View-Based Approach to System Modeling Based on Open Graph Transformation Systems.” In Handbook of Graph Grammars and Computing by Graph Transformations, Volume 2: Applications, Languages and Tools, 639–68. Singapore: World Scientific, 1999.

Heckel, Reiko, Gregor Engels, Hartmut Ehrig, and Gabriele Taentzer. “Classification and Comparison of Module Concepts for Graph Transformation Systems.” In Handbook of Graph Grammars and Computing by Graph Transformations, Volume 2: Applications, Languages and Tools, 2:669–89. Singapore: World Scientific, 1999.