@book{55109,
	author = {Delhaye, Jean. and Orús, Juan-José.},
	title = {Astronomía estelar / },
	editor = {Imp. Escuelas)},
	publisher = {Vergara, },
	year = {[1957] (},
	series = {Colección nuevos horizontes ; },
	address = {Barcelona : }
}