@book{43304,
	author = {Maffei, Eugenio.},
	title = {Centenario de la Escuela de Minas de España },
	editor = {Imp. y Fund. de M. Tello)},
	publisher = {[s.n.], },
	year = {1877 (},
	address = {Madrid : },
	note = {Apéndices documentales.},
	url = {http://bdh-rd.bne.es/viewer.vm?id=0000072719&page=1 }
}