@article{EngelsSchuerr1995,
	title = {Encapsulated Hierarchical Graphs, Graph Types and Meta Types},
	author = {Gregor Engels and  {Andy Sch\"urr}},
	booktitle = {Joint Compugraph/Semagraph Workshop on Graph Rewriting and Computation},
	journal = {Electronic Notes in Theoretical Computer Science},
	publisher = {Elsevier Science},
	volume = {2},
	year = {1995},
	biburl = {http://www.bibsonomy.org/bibtex/27f5da2e220e283f134cbd1c2cdfaa0f1/evol},
	description = {The entire bibliography of the book "Software Evolution" co-edited by Tom Mens and Serge Demeyer, published by Springer in 2008},
	keywords = {graph transformation }
}