1. Lecture Notes in Computer Science;H Ehrig,1976
2. Corradini, A., Ehrig, H., Heckel, R., Löwe, M., Montanari, U., Rossi, F.: Algebraic approaches to graph transformation part I: basic concepts and double pushout approach. In: Rozenberg [34], pp. 163–245
3. Baldan, P., Corradini, A., Ehrig, H., Löwe, M., Montanari, U., Rossi, F.: Concurrent semantics of algebraic graph transformations. In: Ehrig et al. [5], pp. 107–185
4. Kreowski, H.-J.: Manipulationen von Graphmanipulationen. Ph.D. thesis, Technische Universität Berlin (1978). Fachbereich Informatik
5. Ehrig, H., Kreowski, H.-J., Montanari, U., Rozenberg, G. (eds.): Handbook of graph grammars and computing by graph transformation, concurrency, parallelism, and distribution, vol. 3. World Scientific, Singapore (1999)