@book{190110,
	author = {Warren, Nancy Bradley. and ebrary, Inc.},
	title = {Spiritual economies},
	publisher = {University of Pennsylvania Press,},
	year = {c2001.},
	series = {The Middle Ages series},
	address = {Philadelphia :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10576133}
}