@book{19998,
	author = {Chang, Raymond},
	title = {Chemistry /},
	publisher = {McGraw-Hill,},
	year = {c2002},
	address = {Boston :},
	edition = {7th ed.},
	note = {Includes index},
	url = {http://www.loc.gov/catdir/toc/mh023/00066845.html}
}