@book{212990,
	author = {Murthy, P. Rama. and ebrary, Inc.},
	title = {Operations research},
	publisher = {New Age International,},
	year = {2007.},
	address = {New Delhi :},
	edition = {2nd ed.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10367718}
}