@conference{GBGHS06,
  author={Rubino Geiß and Gernot Veit Batz and Daniel Grund and Sebastian Hack and Adam M. Szalkowski},
  title=\{GrGen: A Fast SPO-Based Graph
Rewriting Tool},
  booktitle=\{Graph Transformations - ICGT 2006},
  year=\{2006},
  publisher=\{Springer},
  pages=\{383 -- 397},
  editor=\{A. Corradini and H. Ehrig and U. Montanari and L. Ribeiro and G. Rozenberg},
  series=\{Lecture Notes in Computer Science},
  note=\{Natal, Brasil},
  url=\{http://www.info.uni-karlsruhe.de/papers/grgen_icgt2006.pdf},
}