@book{134461,
	author = {Van Engen, John H.},
	title = {Sisters and brothers of the common life :},
	publisher = {University of Pennsylvania Press,},
	year = {[2008]},
	series = {The Middle Ages series},
	address = {Philadelphia :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10780868}
}