@book{49377,
	author = {Sánchez, Néstor.},
	title = {Clasificación automatizada de estrellas variables :},
	publisher = {Universidad del Zulia,},
	year = {2005.},
	address = {Maracaibo :},
	note = {Contiene índice.},
	url = {https://elibro.net/ereader/politecnicointernacional/16529}
}