@book{80274,
	author = {García Espada, Antonio,},
	title = {Marco Polo y la Cruzada :},
	publisher = {Marcial Pons Historia,},
	year = {[2013]},
	series = {Estudios},
	address = {Madrid :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/63596/}
}