@book{66434,
	author = {Ayala Martínez, Carlos de,},
	title = {Las cruzadas /},
	publisher = {Sílex,},
	year = {2004.},
	series = {Serie Historia},
	address = {Madrid :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/1329/}
}