@book{11634,
	author = {Russell, Bertrand, and Aranguren, José Luis L.,},
	title = {La conquista de la felicidad /},
	publisher = {Espasa-Calpe,},
	year = {1994.},
	series = {Colección austral ;},
	address = {Madrid :},
	edition = {[11ª ed.].},
	note = {Reimp. de la 1º ed. 1978.}
}