TY  - BOOK
AU  - 
TI  - Information retrieval techniques and reference source & tools in pure and applied sciences: Saxena, R.S
SN  - 8185070083
U1  - 025.52 
PY  - 1997///
CY  - Y. K Publishers
KW  - Information retrieval system- Techniques
KW  - Reference service
ER  -