Allen, James, , <br/><br/>
Natural language understanding 

 - 2nd ed. 
 - New Delhi:  Pearson Education,  1995. 
 - xv, 654 p. :  ill.;  24 cm. 
<br/><br/> Includes bibliographical references (p. 629-644) and index.  
<br/><br/><label>ISBN: </label>9788131708958 
<br/><br/><label>Dewey Class. No.: </label>006.35 ALL