@article {1071,
	title = {A Petri net based deadlock prevention policy for flexible manufacturing systems},
	journal = {IEEE Transactions on Robotics and Automation},
	volume = {11},
	year = {1995},
	month = {04/1995},
	pages = {173-184},
	issn = {1042-296X},
	author = {J. Ezpeleta and J.M. Colom and J. Mart{\'\i}nez}
}

