TY  - BOOK
AU  - Chatterjee,Amitabha
AU  - Sen,Subir  .
AU  - Kapoor,S K  .
TI  - Information retrieval : models and techniques / 
U1  - 025.04 
PY  - 1992///
CY  - Kolkata : 
PB  - IASLIC , 
KW  - IINFORMATION RETRIVAL
N1  - NULL
ER  -