Klamkin, Murray S Moser, William O. J Barbeau, Edward J <br/><br/>
Five hundred mathematical challenges 

 - USA  THE MATHEMATICAL ASSOCIATION  1995 
 - 227P 
<br/><br/><label>ISBN: </label>0-88385-519-4 
<br/><br/><label>Dewey Class. No.: </label>510 BAR'F