@book{21057,
	author = {Alas, Leopoldo},
	title = {Su único hijo / },
	editor = {Imp. de Enrique Rubiños)},
	publisher = {Librería de Fernando Fé, },
	year = {1890 (},
	address = {Madrid : },
	url = {http://bdh-rd.bne.es/viewer.vm?id=0000058866&page=1 }
}