@book{153590,
	author = {Henle, Michael. and ebrary, Inc.},
	title = {Martin Gardner in the twenty-first century},
	publisher = {Mathematical Association of America,},
	year = {2012.},
	address = {Washington, D.C. :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10722458}
}