@book{2871,
	author = {Aristotle. and Pickard-Cambridge, W. A. and ebrary, Inc.},
	title = {On sophistical refutations},
	publisher = {Virginia Tech,},
	year = {2001.},
	address = {Blacksburg, VA :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=5000543}
}