@book{91182,
	author = {Urmson, J. O.},
	title = {El análisis filosófico :},
	publisher = {Ariel,},
	year = {c1978.},
	series = {Ariel quincenal ;},
	address = {Barcelona :},
	edition = {1. ed.},
	note = {"Título original: Philosophical analysis; its development between the two World Wars.  Clarendon Press, Oxford."}
}