@book{41657,
	author = {Casanova, Sofía,},
	title = {Las catacumbas de Rusia roja : },
	publisher = {Espasa-Calpe, },
	year = {1933.},
	address = {Madrid : },
	url = {http://biblioteca.galiciana.gal/es/consulta/registro.do?id=450012}
}