@book{3063,
	author = {Gibson, Robert B., and Hassan, Selma.},
	title = {Sustainability assessment :},
	publisher = {Earthscan,},
	year = {2005.},
	address = {London ;},
	note = {Subtitle on cover: criteria, processes and applications.},
	url = {http://www.loc.gov/catdir/toc/ecip0515/2005018172.html}
}