Pattern Classification / 
DUAD and HART 
 - New Delhi;  john wiley and sons;  2007. 
 - 654p:, 
<br/><br/> paperback. 
<br/><br/> Hardcover 
<br/><br/><label>ISBN: </label>9788126511167 
<br/><br/><label>Dewey Class. No.: </label>006.4  / DUD