@book{36208,
	author = {Gardner, Denis, and DeLony, Eric. and ebrary, Inc.},
	title = {Wood, concrete, stone, and steel},
	publisher = {University of Minnesota Press,},
	year = {c2008.},
	address = {Minneapolis :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10246354}
}