@book{26789,
	author = {Yannas, Simos. and Erell, Evyatar.},
	title = {Roof cooling techniques :},
	publisher = {Earthscan,},
	year = {c2006.},
	address = {London :},
	url = {http://www.loc.gov/catdir/toc/ecip065/2005034876.html}
}