@book{1584,
	author = {Buffa, Elwood Spencer, and Sarin, Rakesh K.},
	title = {Modern production/operations management /},
	year = {c1987.},
	address = {New York :},
	edition = {8th ed.},
	url = {http://www.loc.gov/catdir/description/wiley032/86026802.html}
}