@article{Habel&al1996,
	title = {Graph Grammars with Negative Application Conditions},
	author = {Annegret Habel and Reiko Heckel and Gabriele Taentzer},
	journal = {Fundamenta Informaticae},
	month = {June},
	number = {3,4},
	pages = {287--313},
	volume = {26},
	year = {1996},
	biburl = {http://www.bibsonomy.org/bibtex/2efd9ee44cb0ad7c246d70514175a844c/pdeleenh},
	timestamp = {2008.05.15}, owner = {pdeleenh},
	keywords = {graph rewriting }
}