TY  - GEN
AU  - Bird, Steven
AU  - Klein, Ewan
AU  - Loper Edward
TI  - Natural language processing with python
SN  - 9788184047486
U1  - 006.35/ 
PY  - 2009///
CY  - USA
PB  - O'reilly
KW  - AI & ML Engineering
KW  - Accessing text corpora and lexical resources
KW  - Processing raw text
KW  - Analyzing sentence structure
KW  - Managing linguistic data
ER  -