@book{31903,
	author = {Lois González, R. C.},
	title = {Los espacios urbanos :},
	publisher = {Biblioteca Nueva,},
	year = {2012.},
	series = {Biblioteca Nueva universidad. Manuales y obras de referencia.},
	address = {Madrid :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/18727/}
}