@book{57392,
	author = {Pickover, Clifford A.},
	title = {The Zen of magic squares, circles, and stars :},
	publisher = {Princeton University Press,},
	year = {c2002},
	address = {Princeton, N.J. :},
	url = {http://www.loc.gov/catdir/toc/prin031/2001027848.html}
}