@book{37381,
	author = {Hieke, Alexander. and Leitgeb, Hannes. and ebrary, Inc.},
	title = {Reduction},
	publisher = {ontos,},
	year = {2009.},
	series = {Publications of the Austrian Ludwig Wittgenstein Society. New series ;},
	address = {Heusenstamm [Germany] :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10728836}
}