Marc Andries, Gregor Engels, Annegret Habel, Berthold Hoffmann, Hans-Jörg Kreowski, Sabine Kuske, Detlef Plump, Andy Schürr, Gabriele Taentzer: Graph Transformation for Specification and Programming. Science of Computer Programming 34:1-54, 1999.
Hans-Jörg Kreowski, Sabine Kuske: Graph Transformation Units and Modules. In Hartmut Ehrig, Gregor Engels, Hans-Jörg Kreowski, Grzegorz Rozenberg, editors, Handbook of Graph Grammars and Computing by Graph Transformation, Vol. 2: Applications, Languages and Tools, pages 607-638. World Scientific, Singapore, 1999.
Hans-Jörg Kreowski, Sabine Kuske: Graph Transformation Units with Interleaving Semantics. Formal Aspects of Computing 11:690-723, 1999.
Marc Andries, Gregor Engels, Annegret Habel, Berthold Hoffmann, Hans-Jörg Kreowski, Sabine Kuske, Detlef Plump, Andy Schürr, Gabriele Taentzer: Graph Transformation for Specification and Programming. Sci. Comput. Program. 34:1-54, 1999.
