@book{97112,
	author = {Hernández, Rafael. and Hütte Gesellschaft für Technische Informationen (Berlin)},
	title = {Manual Hütte del ingeniero / },
	publisher = {Gustavo Gili, },
	year = {1962.},
	address = {Barcelona : },
	edition = {2ª ed.},
	note = {Tomo 1 y 3.}
}