@article {ARMARARESI08,
	title = {Steady state control reference and token conservation laws in continuous Petri net systems},
	journal = { IEEE Transactions on Automation Science and Engineering},
	volume = {5},
	year = {2008},
	month = {4},
	pages = {307-320},
	url = {http://ieeexplore.ieee.org/iel5/8856/4481089/04358072.pdf?tp=&amp;arnumber=4358072&amp;isnumber=4481089},
	author = {Mahulea, Cristian and A. Ramirez and L. Recalde and M. Silva}
}

