@inbook {672,
	title = {Improving the Linearly Based Characterization of P/T Nets},
	booktitle = {Advances in Petri Nets 1990},
	series = {Lecture Notes in Computer Science},
	number = {483},
	year = {1991},
	pages = {113-145},
	publisher = {Springer-Verlag},
	organization = {Springer-Verlag},
	address = {Berlin},
	isbn = {3-540-53863-1},
	author = {J.M. Colom and M. Silva},
	editor = {G. Rozenberg}
}

