@book{78998,
	title = {La aportación de Manuel Rivera a la navegación aérea.},
	publisher = {Ministerio de Defensa :},
	year = {2017.},
	address = {Madrid :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/61871/}
}