@book{43540,
	author = {Marquínez Argote, Germán. and Sanz Adrados, Juan José.},
	title = {Lógica : },
	publisher = {Universidad Santo Tomás ,  },
	year = {1985.},
	series = {Filosofía a distancia.},
	address = {Bogotá : },
	edition = {4a. ed.},
	note = {Incluye índice. }
}