Reiko Heckel, Berthold Hoffmann, Peter Knirsch, Sabine Kuske: Simple modules for GRACE. In H. Ehrig, G. Engels, H.-J. Kreowski, G. Rozenberg, editors, Theory and Application of Graph Transformation: 6th International Workshop, Paderborn, Germany, November 1998, Selected Papers, volume 1764 of Lecture Notes in Computer Science. Springer, 2000.
Frank Drewes, Berthold Hoffmann, Detlef Plump: Hierarchical Graph Transformation. Informatik-Bericht 1/2000, Fachbereich Mathematik und Informatik, Universität Bremen, 2000. 33 pages.
Frank Drewes, Berthold Hoffmann, Detlef Plump: Hierarchical Graph Transformation. In Jerzy Tiuryn, editor, Foundations of Software Science and Computation Structures, Third International Conference, FOSSACS 2000, Held as Part of the Joint European Conferences on Theory and Practice of Software,ETAPS 2000, Berlin, Germany, March 25 - April 2, 2000, Proceedings, volume 1784 of Lecture Notes in Computer Science, pages 98-113. Springer, 2000.
Berthold Hoffmann, Mark Minas: A Generic Model for Diagram Syntax and Semantics. In Jos&{acute;e D. P. Rolim, Andrei Z. Broder, Andrea Corradini, Roberto Gorrieri, Reiko Heckel, Juraj Hromkovic, Ugo Vaccaro, J. B. Wells, editors, ICALP Workshops 2000, Proceedings of the Satelite Workshops of the 27th International Colloquium on Automata, Languages and Programming, Geneva, Switzerland, July 9-15, 2000, pages 443-450. Carleton Scientific, Waterloo, Ontario, Canada, 2000.
Berthold Hoffmann, Mark Minas: Towards Generic Rule-Based Visual Programming. In 2000 IEEE International Symposium on Visual Languages, VL 2000, Seattle, Washington, USA, September 10-13, 2000, Proceedings, pages 65-66. IEEE Computer Society, 2000.
Berthold Hoffmann, Mark Minas: Towards rule-based visual programming of generic visual systems. CoRR cs.PL/0010016, 2000.
