@book{5161,
	author = {HILLIER, FREDERICK S. and LIEBERMAN, GERALD J.},
	title = {INTRODUCCION A LA INVESTIGACION DE  OPERACIONES/ },
	publisher = {MCGRAW-HILL},
	year = {1997},
	address = {MEXICO: },
	edition = {4},
	note = {INCLUYE INDICE.}
}