@inproceedings{FoSSaCS-1999-BaldranCM,
	author        = "Paolo Baldan and Andrea Corradini and Ugo Montanari",
	booktitle     = "{Proceedings of the Second International Conference on Foundations of Software Science and Computation Structures}",
	doi           = "10.1007/3-540-49019-1_6",
	isbn          = "3-540-65719-3",
	pages         = "73--89",
	publisher     = "{Springer-Verlag}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Unfolding and Event Structure Semantics for Graph Grammars}",
	volume        = 1578,
	year          = 1999,
}