Bird, Steven <br/><br/>
Natural language processing with Python / 
Steven Bird, Ewan Klein and Edward Loper. 
 - 1st ed. 
 - New Delhi :  Shroff Publishers & Distributors Pvt. Ltd.,  c2009. [reprint2017] 
 - xx, 479 p. :  ill. ;  23 cm. 
<br/><br/>Includes bibliographical references and indexes (p. 449-479). 
<br/><br/>
<br/><br/><label>ISBN: </label>9788184047486 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural language<br/>python
<br/><br/><label>Dewey Class. No.: </label>005.133  / B5321n