Tanveer Siddiqui & U. S. Tiwary <br/><br/>
Natural language processing and information retrieval 

 - OUP, New Delhi  2008 
 - ix,406p 
<br/><br/><label>ISBN: </label>0-19-569232-2 
<br/><br/><label>Dewey Class. No.: </label>006.35 Sid/Tiw