TY  - BOOK
AU  - Sharma Jagdish Saran
AU  -  Grover D R
TI  - Reference service and source of information
SN  - 817000022X
U1  - 2:7, M7 
PY  - 1987///
CY  -  New Delhi 
PB  - ESS ESS Publicaitons India      
KW  - Library Sicence
ER  -