Leighton, Walker <br/><br/>
Nature of reasoning 

 - New York  Cambridge University Press  2004 
 - x,470p. 
<br/><br/><label>ISBN: </label> RS 1285.00 
<br/><br/><label>Source: </label> RS 1285.00 
<br/><br/><label>Dewey Class. No.: </label>153.43 NAT