@book{2318,
	author = {HILLIER, FREDERICK S. and LIEBERMAN, GERALD J.},
	title = {INTRODUCTION TO OPERATIONS RESEARCH/ },
	publisher = {MCGRAW-HILL},
	year = {1990},
	address = {NEW YORK ; MEXICO: },
	edition = {5},
	note = {INCLUYE INDICE.}
}