@book{64572,
	author = {Hillier, Frederick S. and Lieberman, Gerald J.},
	title = {Introduction to operations research /},
	publisher = {McGraw-Hill Higher Education,},
	year = {c2012.},
	address = {New York /New Delhi},
	edition = {9th ed (Special Indian edition)},
	url = {http://www.loc.gov/catdir/toc/ecip0827/2008039045.html}
}