@article {1092,
	title = {Comments on "Deadlock Avoidance Policy for Petri-Net Modeling of Flexible Manufacturing Systems with Shared Resources"},
	journal = {IEEE Transactions on Automatic Control},
	volume = {45},
	year = {2000},
	month = {09/2000},
	pages = {1760-1762},
	issn = {0018-9286},
	author = {F. Garc{\'\i}a-Vall{\'e}s and J.M. Colom and J. Ezpeleta}
}

