@book{28978,
	author = {Rengifo Garcia, Ernesto and Universidad Externado de Colombia},
	title = {Propiedad intelectual  el moderno derecho de autor},
	publisher = {Universidad Externado de Colombia},
	year = {1999},
	address = {Bogotá (Cundinamarca, Colombia)},
	edition = {2a. ed}
}