@book{39639,
	author = {Celis, Walter.},
	title = {Electrónica sin barreras = :},
	publisher = {Fondo Editorial Universidad Cooperativa de Colombia,},
	year = {2018.},
	address = {Bogotá :},
	url = {https://elibro.net/ereader/politecnicointernacional/70190}
}