@book{47757,
	author = {Valderrama, J. M.,},
	title = {Los desiertos y la desertificación /},
	publisher = {CSIC :},
	year = {[2017]},
	series = {Colección ¿Qué sabemos de? ;},
	address = {Madrid :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/49534/}
}