TY  - BOOK
AU  - Chowdhury, G.G.  .
TI  - Introduction to modern information retrieval / 
SN  - 1-856-04-480-7
U1  - 2 
PY  - 1999///
CY  - London : 
PB  - Facet Publishing , 
KW  - Information retrieval-Library science
ER  -