@book{86523,
	author = {Kaufman, Bel. and Fernández-Yáñez, Julio.},
	title = {Subiendo por la escalera de bajada / },
	publisher = {Picazo, },
	year = {1972.},
	series = {Colección estelar},
	address = {Barcelona : },
	edition = {1ª ed.}
}