@book{78401,
	author = {Hauser, Enrique. and Escuela de Minas de Madrid.},
	title = {Grisú, hulleras y laboratorios : },
	editor = {Est. Tip. de E. Teodoro)},
	publisher = {[s.n.], },
	year = {1906 (},
	address = {Madrid : }
}