@book{43875,
	author = {Cavanillas, Rafael.},
	title = {Memoria sobre las minas de Almadén / },
	editor = {Imp. del Colegio Nacional de Sordomudos y Ciegos)},
	publisher = {[s.n.], },
	year = {1838 (},
	address = {Madrid : },
	url = {http://bdh-rd.bne.es/viewer.vm?id=0000052526&page=1 }
}