@book{36552,
	author = {Urmson, J. O.},
	title = {Enciclopedia concisa de filosofía y filósofos},
	publisher = {Ediciones Cátedra},
	year = {1979.},
	series = {Colección Teorema: Seriemayor},
	address = {Madrid},
	note = {Translation of: The concise encyclopedia of Western philosophy and philosophers.}
}