@article {CCS-TSE-91,
	title = {Ergodicity and Throughput Bounds of Petri Nets with Unique Consistent Firing Count Vector},
	journal = {IEEE Transactions on Software Engineering},
	volume = {17},
	year = {1991},
	month = {2},
	pages = {117-125},
	author = {J. Campos and G. Chiola and M. Silva}
}

