Bird, Steven <br/><br/>
Natural language processing with python  

 - 9th ed. 
 - Mumbai:  Shroff Publishers & Distributors Pvt. Ltd.,  2018. 
 - ix,479p.:  ill.;pbk.  25cm. 
<br/><br/> Includes Bibliographic references and Index. 
<br/><br/><label>ISBN: </label>9788184047486 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information resources management<br/>Business information services<br/>Information technology-Management
<br/><br/><label>Dewey Class. No.: </label>006.35 BIR