@book{96138,
	author = {Frederick and Loud, G. A. and ebrary, Inc.},
	title = {The crusade of Frederick Barbarossa},
	publisher = {Ashgate,},
	year = {c2009.},
	series = {Crusade texts in translation},
	address = {Surrey, England ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10395853}
}