@book{19796,
	author = {Manahan, Stanley E.},
	title = {Environmental chemistry /},
	publisher = {CRC Press,},
	year = {c2005.},
	address = {Boca Raton, Fla. :},
	edition = {8th ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy0646/2004051879-d.html}
}