@book{37300,
	author = {Rott, Hans, and ebrary, Inc.},
	title = {Possibility and reality},
	publisher = {Ontos Verlag,},
	year = {2003.},
	series = {Studien zur Logik, Sprachphilosophie und Metaphysik ;},
	address = {Frankfurt :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10728702}
}