@book{691,
	author = {Atkins, Peter & Julio de Paula.},
	title = {Atkins Physical Chemistry },
	publisher = {Oxford University Press,},
	year = {2006.},
	address = {U.K},
	edition = {8th.ed},
	note = {International Student edition},
	url = {http://www.amazon.com/exec/obidos/ASIN/0195685229/chopaconline-20}
}
