@book{20405,
	author = {Harpold, Terry. and ebrary, Inc.},
	title = {Ex-foliations},
	publisher = {University of Minnesota Press,},
	year = {c2009.},
	series = {Electronic mediations ;},
	address = {Minneapolis :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10277726}
}