@book{266209,
	author = {Freeman, Marcia S.},
	title = {Rourke's world of science encyclopedia /},
	publisher = {Rourke Pub.,},
	year = {c2008.},
	address = {Vero Beach, FL :},
	url = {http://www.loc.gov/catdir/toc/ecip082/2007042493.html}
}