H. Ehrig, M. Korff, and M. Löwe. Graph-Grammars and Their Application to Computer Science, volume 532 of Lecture Notes in Computer Science, page 24-37. Springer, (1990)
U. Prange, H. Ehrig, K. Hoffmann, and J. Padberg. Concurrency, Graphs and Models, volume 5065 of Lecture Notes in Computer Science, page 96-113. Springer, (2008)
P. Boehm, H. Ehrig, U. Hummert, and M. Löwe. Graph-Grammars and Their Application to Computer Science, volume 291 of Lecture Notes in Computer Science, page 86-98. Springer, (1986)