TY  - GEN
AU  - Ranganathan, S.R.
TI  - Colon classification: basic classification
SN  - 8185273316
U1  - 025.435 
PY  - 1960///
CY  - New Delhi
PB  - Sarada Ranganathan Endowment for Library Science, 
KW  - Operations of libraries
ER  -