@book{67598,
	author = {Sánchez del Río, Carlos.},
	title = {Ciencia y tecnología /},
	publisher = {Biblioteca Nueva,},
	year = {2009.},
	series = {España siglo XXI ;},
	address = {Madrid :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/6312/}
}