@book{28995,
	author = {Bodenlos, Alfred John. and Ericksen, George Edward.},
	title = {Lead-zinc deposits of Cordillera Blanca and northern Cordillera Huayhuash, Peru /},
	publisher = {U.S. G.P.O.,},
	year = {1955.},
	series = {Geologic investigations in the American republics},
	address = {Washington, [D.C.] :},
	note = {Twelve folded maps in pocket.}
}