@book{14236,
	author = {Wansing, H. and ebrary, Inc.},
	title = {Essays on non-classical logic},
	publisher = {World Scientific,},
	year = {2001.},
	series = {Advances in logic ;},
	address = {River Edge, N.J. :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10255472}
}