@book{100944,
	author = {Ruiz Morales, Jorge. and Gómez Roldán, Ángel, and e-libro, Corp.},
	title = {Astronomía contemporánea},
	publisher = {Equipo Sirius,},
	year = {2008.},
	address = {Madrid :},
	edition = {3a. ed. actualizada.},
	url = {https://elibro.net/ereader/politecnicointernacional/60128}
}