@book{86679,
	author = {Bybee, Rodger W. and Carlson-Powell, Janet.},
	title = {Teaching secondary school science :},
	publisher = {Pearson/Merrill/Prentice Hall,},
	year = {2008.},
	address = {Upper Saddle River, N.J. :},
	edition = {9th ed.},
	note = {Trowbridge's name appears first on the earlier edition.},
	url = {http://www.loc.gov/catdir/toc/ecip0718/2007020010.html}
}