@book{37402,
	author = {Feddersen, Eckhard. and L�udtke, Insa. and ebrary, Inc.},
	title = {Living for the elderly},
	publisher = {Boston :},
	year = {2009.},
	series = {A design manual},
	address = {Basel :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10728873}
}