TY  - GEN
AU  - Ranganathan, S.R.
AU  - Gopinath M.A.
TI  - Prolegomena to library classification 
SN  -  8185273162
U1  - 025.42 
PY  - 1989///
CY  - Bangalore
PB  - sarada Ranganathan Endowment for library Science
KW  - Library Classification
ER  -