TY  - BOOK
AU  - Verma, S.R.  .
AU  - Verma, N.
TI  - Reference and information services / 
SN  - 9788183290920
U1  - 2:12 
PY  - 2006///
CY  - New Delhi : 
PB  - Shree Publishers & Distributors , 
KW  - Information services
ER  -