TY  - BOOK
AU  - Allen , James 
TI  - Natural language understanding
SN  - 9788131708958
U1  - 005.1 2nd ed.
PY  - 2007///
CY  - New Delhi
PB  - Pearson
KW  - Artificial intelligence
KW  - Language and logic
KW  -  Programming languages
ER  -