Allen, James <br/><br/>
Natural language understanding / 
Allen, James. 
 - 2nd ed. 
 - New Delhi:  Pearson,  2007. 
 - xv, 654p.; 24cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9788131708958 
<br/><br/><label>Dewey Class. No.: </label>005.13 ALL