@book{37471,
	author = {Chang, Gengzhe. and Sederberg, Thomas W. and ebrary, Inc.},
	title = {Over and over again},
	publisher = {Mathematical Association of America,},
	year = {1997.},
	series = {Anneli Lax New Mathematical Library ;},
	address = {Washington, DC :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10729389}
}