@book{498,
	author = {Atkins, P. W. and De Paula, Julio.},
	title = {Physical chemistry.},
	publisher = {W.H. Freeman,},
	year = {c2002.},
	address = {New York :},
	edition = {7th ed. /},
	url = {http://www.loc.gov/catdir/enhancements/fy0905/2001051228-d.html}
}