Bird, Steven., Klein, Ewan and Loper, Edward <br/><br/>
Natural Language Processing With Python   

 - Mumbai  Shroff Publishers & Distributors  2009 
 - xx, 264 p. 
<br/><br/><label>ISBN: </label>9788184047486 
<br/><br/><label>Publisher. No.: </label> Southern Book Sellers 
<br/><br/><label>Subjects--Personal Names: </label> Computer Science