@book{33235,
	author = {Hillier, Frederick S. and Lieberman, Gerald J.,},
	title = {Operations research /},
	publisher = {Holden-Day,},
	year = {c1994.},
	address = {San Francisco :},
	edition = {2d ed.},
	note = {Edition for 1967 published under title: Introduction to operations research.}
}