TY  - BOOK
AU  - Ranganathan, S.R.  .
TI  - Colon classification / 
SN  - 978-81-7000-460-8
U1  - 2:12 
PY  - 1960///
CY  - New Delhi : 
PB  - Ess Ess Publications , 
KW  - Library classification scheme
ER  -