TY  - BOOK
AU  - Ranganathan, S.R.  
TI  - Reference Service
SN  - 8185273200
U1  - R 025.52 
PY  - 1992///
CY  - Bangalore  
PB  - Sarada Ranganathan Endowment for Library Science     
KW  - Reference services (Libraries)
KW  - Reference books
ER  -