@book{27303,
	author = {National Research Council (U.S.).},
	title = {Minerals, critical minerals, and the U.S. economy},
	publisher = {National Academies Press,},
	year = {c2008.},
	address = {Washington, D.C. :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10225188}
}