@book{4293,
	author = {Guthrie, Roderick I. L.},
	title = {Engineering in process metallurgy /},
	publisher = {Clarendon Press ;},
	year = {1989.},
	address = {Oxford :},
	url = {http://www.loc.gov/catdir/enhancements/fy0635/87035026-d.html}
}