@inbook {1083,
	title = {A Class of Well Structured Petri Nets for Flexible Manufacturing Systems},
	booktitle = {Application and Theory of Petri Nets 1998},
	series = {Lecture Notes in Computer Science},
	number = {1420},
	year = {1998},
	month = {6},
	pages = {64-83},
	publisher = {Springer-Verlag},
	organization = {Springer-Verlag},
	address = {Berlin},
	author = {J. Ezpeleta and F. Garc{\'\i}a-Vall{\'e}s and J.M. Colom},
	editor = {J. Desel and M. Silva}
}

