@book{52371,
	author = {Vagnini, Frederic J. and Bunnell, Dave},
	title = {Count down your age :},
	publisher = {McGraw-Hill,},
	year = {c2007},
	address = {New York :},
	url = {http://www.loc.gov/catdir/toc/ecip078/2007001149.html}
}