@book{3442,
	author = {Smith, Keith,},
	title = {Environmental hazards :},
	publisher = {Routledge ,},
	year = {2002 printing.},
	address = {London ;},
	edition = {3rd ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy0650/00038251-d.html}
}