@book{80227,
	author = {Garzón, Dionisio,},
	title = {El muro de Berlín :},
	publisher = {Marcial Pons Historia,},
	year = {[2013]},
	series = {Estudios. Maior},
	address = {Madrid :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/63549/}
}