@book{22955,
	author = {Zumdahl, Steven S.},
	title = {Chemistry /},
	publisher = {D.C. Heath,},
	year = {c1993.},
	address = {Lexington, Mass. :},
	edition = {3rd ed.},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/enhancements/fy1513/92070801-b.html}
}