@book{13115,
	author = {Pover, F. and Bates, T.},
	title = {Mechanical operations /},
	publisher = {Pitman,},
	year = {1972.},
	series = {Enginrg. craft s.},
	address = {[S.l.] :},
	note = {Import.},
	url = {http://www.amazon.com/exec/obidos/ASIN/0273316737/chopaconline-20}
}