@book{123513,
	author = {Butler, Robert Brown. and ebrary, Inc.},
	title = {Architectural engineering design},
	publisher = {McGraw-Hill,},
	year = {2002.},
	address = {New York :},
	note = {Includes index.},
	url = {http://site.ebrary.com/lib/strathmore/Doc?id=10180043}
}