@book{15618,
	author = {Pearce, David W.},
	title = {Blueprint 2 :},
	publisher = {Earthscan Publications, in association with the London Environmental Economics Centre,},
	year = {1991.},
	address = {London :},
	url = {http://www.loc.gov/catdir/enhancements/fy1111/92203398-b.html}
}