@book{246376,
	author = {Ash, Avner, and Gross, Robert, and ebrary, Inc.},
	title = {Fearless symmetry},
	publisher = {Princeton University Press,},
	year = {c2006.},
	address = {Princeton :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10443136}
}