@book{13645,
	author = {Kenda, Margaret. and Williams, Phyllis S.},
	title = {Math wizardry for kids },
	publisher = {Barron’s,},
	year = {c1995.},
	address = {Hauppauge, N.Y. :},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/enhancements/fy0630/94031243-d.html}
}