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

 - 2 
 - New Delhi  Pearson  1995 
 - xv, 654p.   
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9788131708958 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural language processing