@book{148271,
	author = {Hanson, David, and Marty, Edwin, and ebrary, Inc.},
	title = {Breaking through concrete},
	publisher = {University of California Press,},
	year = {c2012.},
	address = {Berkeley :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10533547}
}