Clawson, Calvin C. <br/><br/>
Mathematical sorcery  revealing the secrets of numbers 

 - New Delhi  Viva Books  2004 
 - ix, 294p. Bibl. Index. 
<br/><br/>  
<br/><br/><label>ISBN: </label>8176498300 
<br/><br/><label>Dewey Class. No.: </label>510.9  / C617.MS