Ash, A & Gross, R <br/><br/>
Fearless symmetry  exposing the hidden patterns of numbers 
A. Ash & R. Gross 
 - Princeton  Princeton University Press  2006 
 - xxv  272 
<br/><br/><label>ISBN: </label>9780691124926 
<br/><br/><label>Dewey Class. No.: </label>3.01  / ASH