@book{11802,
	author = {Wilson, Robert.},
	title = {Metallurgy and heat treatment of tool steels /},
	publisher = {Mcgraw-Hill (Tx),},
	year = {1976.},
	address = {[S.l.] :},
	url = {http://www.amazon.com/exec/obidos/ASIN/0070844534/chopaconline-20}
}