@book{81640,
	author = {ebrary, Inc.},
	title = {Information modelling and knowledge bases xxi},
	publisher = {IOS Press,},
	year = {2010.},
	series = {Frontiers in artificial intelligence and applications ;},
	address = {Washington, D.C. :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10403984}
}