TY  - BOOK
AU  - Dhawan,K.S
TI  - Principles of Information Retrieval / 
SN  - 81-7169-484-5
U1  - 025.524 
PY  - 1997///
CY  - New Delhi
PB  - Commonwealth Publishers
KW  - Information storage and retrival
KW  - Library Science
ER  -