@book{252730,
	author = {Urmański, Stanisław,},
	title = {El documento de Rávena :},
	publisher = {EUNSA, Ediciones Universidad de Navarra,},
	year = {[2015]},
	series = {Colección Teológica ;},
	address = {Pamplona, España :},
	url = {https://www.digitaliapublishing.com/a/51606/}
}