@book{52913,
	author = {Fernández Fernández, Antonio,},
	title = {Geografía y medio ambiente /},
	publisher = {Universidad Nacional de Educación a Distancia,},
	year = {2020.},
	series = {Grado ;},
	address = {Madrid :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://elibro.net/ereader/bibliocun/223572}
}
