TY  - BOOK
AU  - Bird,Steven
TI  - Natural language processing with Python
SN  - 9780596516499
U1  - 005.133 
PY  - 2009///
CY  - #¿NOMBRE?
PB  - O'Reilly
KW  -  PYTHON (COMPUTER PROGRAM LANGUAGE) / NATURAL LANGUAGE PROCESSING (COMPUTER SCIENCE)
ER  -