1. W. Brendel: “Attributed Graph Grammars and VLSI-Design”, private communication (1982)
2. H. Bunke: “Graph Grammars as a Generative Tool in Image Understanding”. in this volume.
3. H. Göttler: “Semantical Description by Two-Level Graph-Grammars for Quasihierarchical Graphs”, Proc. ‘Workshop WG 78 on Graphtheoretical Concepts in Comp. Science', Applied Comp. Sc. 13, München, Hanser-Verlag (1979)
4. H.Göttler/A.Völk: “A Language for Linearizing Graphics”, Proc. ‘Workshop WG 82 on Graphtheoretical Concepts in Comp. Sc.', München, Hanser-Verlag (1982)
5. M.Jazayeri/W.F.Odgen/W.C.Rounds: “The Intrinsically Exponential Complexity of the Circularity Problem for Attribute Grammars”, Comm. ACM, 12 (1975).