@book{49238,
	author = {Costambeys, Marios. and NetLibrary, Inc.},
	title = {Power and patronage in early medieval Italy},
	publisher = {Cambridge University Press,},
	year = {2007.},
	address = {Cambridge ;},
	url = {http://www.netLibrary.com/urlapi.asp?action=summary&v=1&bookid=224496}
}