@phdthesis {1348,
	title = {An{\'a}lisis structural de redes de Petri, programaci{\'o}n lineal y geometr{\'\i}a convexa},
	volume = {Tesis Doctoral},
	year = {1989},
	month = {06/1989},
	school = {Universidad de Zaragoza},
	address = {Zaragoza, Espa{\~n}a},
	author = {J.M. Colom}
}

