@book{7410,
	author = {Ravindran, A. and Phillips, Don T.,},
	title = {Operations research :},
	publisher = {Wiley,},
	year = {c1987.},
	address = {New York :},
	edition = {2nd ed.},
	url = {http://www.loc.gov/catdir/description/wiley034/86005561.html}
}