Helmut J. Ludwigs. Properties of Ordered Graph Grammars. In Hartmut Noltemeier, editor, Graphtheoretic Concepts in Computer Science, Proceedings of the International Workshop WG 80, Bad Honnef, Germany, June 15-18, 1980. Volume 100 of Lecture Notes in Computer Science, pages 70-79, Springer, 1980.
Abstract is missing.