@book{122300,
	author = {Pickover, Clifford A. and ebrary, Inc.},
	title = {The Zen of magic squares, circles, and stars},
	publisher = {Princeton University Press,},
	year = {c2002.},
	address = {Princeton, N.J. :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10514785}
}