@book{60634,
	author = {Hillier, Frederick S. and Lieberman, Gerald J.},
	title = {Introduction to operations research /},
	publisher = {McGraw-Hill Higher Education,},
	year = {2005.},
	address = {Boston:},
	edition = {8th ed.},
	note = {http://www.amazon.com/Introduction-Operations-Research-Frederick-Hillier/dp/0072527447/ref=sr_1_1?ie=UTF8&qid=1410599487&sr=8-1&keywords=9780072527445},
	url = {http://www.loc.gov/catdir/enhancements/fy0702/2004050470-d.html}
}