@book{124946,
	author = {Lampert, Martina. and Lampert, G�unther.},
	title = {... the ball seemed to keep rolling ... :},
	publisher = {Peter Lang GmbH,},
	year = {[2013]},
	address = {Frankfurt ;},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10767565}
}