TY  - BOOK
AU  - Bird, Steven
AU  - Klein, Ewan Loper, Edward 
TI  - Natural language processing with Python
SN  - 9788184047486 
U1  - 005.133 BIR  
PY  - 2009///
CY  - New Delhi
PB  - Shroff Publishers & Distributors Pvt Ltd
KW  - Python (Computer program language); Natural language processing (Computer science) 
N1  - Includes bibliographical references and indexes. 
ER  -