@book{33052,
	author = {Krochalis, Jeanne. and ebrary, Inc.},
	title = {The world of Piers Plowman},
	publisher = {University of Pennsylvania Press,},
	year = {1982.},
	series = {The Middle Ages series},
	address = {Philadelphia :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10642736}
}