Frank Drewes, Hans-Jörg Kreowski: Reading Words in Graphs Generated by Hyperedge Replacement. In C. Martin-Vide, V. Mitrana, editors, Where Mathematics, Computer Science, Linguistics and Biology Meet, chapter 22, pages 243-252. Kluwer Academic Publishers, 2001.
Hans-Jörg Kreowski, Giorgio Busatto, Sabine Kuske: GRACE as a unifying approach to graph-transformation-based specification. In H. Ehrig, C. Ermel, J. Padberg, editors, Proc. Uniform Approaches to Graphical Process Specification Techniques, volume 44/4 of Electronic Notes in Theoretical Computer Science. Elsevier Science, 2001. 15 pages.
Frank Drewes, Sigrid Ewert, Renate Klempien-Hinrichs, Hans-Jörg Kreowski: Computing Raster Images from Grid Picture Grammars. In S. Yu, A. Paun, editors, Proc. 5th Intl. Conference on Implementation and Application of Automata (CIAA 2000), volume 2088 of Lecture Notes in Computer Science, pages 113-121. Springer, 2001.
Renate Klempien-Hinrichs, Hans-Jörg Kreowski: Algebraic Specification goes multimedia - A few tentative steps. Bulletin of the EATCS 75:224-227, 2001.
Giorgio Busatto, Hans-Jörg Kreowski, Sabine Kuske: Abstract Hierarchical Graph Transformation. Technical report 1/01, Universität Bremen, 2001.
