@book{3425,
	author = {Emsley, John.},
	title = {The elements /},
	publisher = {Clarendon Press ;},
	year = {1989.},
	series = {Oxford chemistry guides},
	address = {Oxford [Oxfordshire] :},
	url = {http://catdir.loc.gov/catdir/enhancements/fy0639/88019011-t.html}
}