@book{32509,
	author = {Marquinez Argote, German. and Sanz Adrados, Juan José.},
	title = {Logica /},
	publisher = {Universidad Santo Tomas,},
	year = {1994.},
	series = {Filosofia a distancia},
	address = {Bogotá :},
	note = {Incluye indice.}
}