@book{663,
	author = {Vollmann, Thomas E. and Berry, William L.},
	title = {Manufacturing planning and control systems /},
	publisher = {Irwin,},
	year = {c1992.},
	address = {Chicago :},
	edition = {3rd ed.},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/enhancements/fy0744/91026037-d.html}
}