@book{23341,
	author = {Caballero Bonald, José Manuel},
	title = {Selección natural /},
	publisher = {Ediciones Cátedra,},
	year = {1983},
	series = {Colección Letras Hispánicas ;},
	address = {Madrid :},
	edition = {1 ed.},
	note = {Incluye Índice}
}