Graph Grammars and Their Application to Computer Science: 4th International Workshop Bremen, Germany, March 5–9, 1990 Proceedings
Ehrig, Hartmut ; Kreowski, Hans-Jörg ; Rozenberg, Grzegorz Rozenberg, Grzegorz ; Kreowski, Hans-Jörg ; Ehrig, Hartmut
Berlin, Heidelberg: Springer Berlin Heidelberg 1991
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