@proceedings {1496,
	title = {Marking homothetic monotonicity and fluidization of untimed Petri nets},
	year = {2012},
	month = {10/2012},
	pages = {21-27},
	publisher = {IFAC},
	address = {Guadalajara, Mexico},
	author = {E. Fraca and J. Julvez and M. Silva}
}

