@book{85819,
	author = {Becchi, Ada,},
	title = {La ciudad del siglo XXI :},
	publisher = {Catarata,},
	year = {[2017]},
	address = {Madrid :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/81079/}
}