@book{75942,
	author = {Freedman, Roger A. and Kaufmann, William J.},
	title = {Universe /},
	publisher = {W.H. Freeman and Co.,},
	year = {c2008.},
	address = {New York, NY :},
	edition = {8th ed.},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/enhancements/fy0809/2007924136-d.html}
}