Clawson, Calvin. C <br/><br/>
Mathematical sorcery : revealing the secrets of numbers 
Calvin C.Clawson 
 - New Delhi  Viva Books  2008 
 - 294 p 
<br/><br/><label>ISBN: </label>9788176498302 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>510 CLA