@inproceedings {263,
	title = {Improving Throughput Upper Bounds for Net Based Models},
	booktitle = {IMACS MCTS{\textquoteright}91 International Symposium on Modeling and Control of Technological  Systems},
	volume = {1},
	year = {1991},
	month = {05/1991},
	pages = {573-582},
	address = {Lille, France},
	isbn = {29502908-1-7},
	author = {J. Campos and J.M. Colom and M. Silva}
}

