@book{346337,
	author = {Hillier, Frederick S. and Lieberman, Gerald J.},
	title = {Introduction to operations research /},
	publisher = {McGraw Hill Higher Education,},
	year = {2004.},
	address = {[S.l.] :},
	edition = {8th ed.},
	note = {Paperback.},
	url = {http://www.amazon.com/exec/obidos/ASIN/007123828X/chopaconline-20}
}