@book{104492,
	author = {World Conference on Artificial Intelligence in Education and Hoppe, Ulrich. and ebrary, Inc.},
	title = {Artificial intelligence in education},
	publisher = {IOS Press,},
	year = {c2003.},
	series = {Frontiers in artificial intelligence and applications ;},
	address = {Washington, D.C. :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10116448}
}