@book{4509,
	author = {Stroll, Avrum, and ebrary, Inc.},
	title = {Moore and Wittgenstein on certainty},
	publisher = {Oxford University Press,},
	year = {1994.},
	address = {New York :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10279466}
}