TY  - GEN
AU  - Ranganathan, S. R. 
TI  - Classification and communication 
SN  - 817000473X
U1  - 025.4 R162c 
PY  - 1973///
CY  - New Delhi
PB  - Ess Ess Publications
KW  - Classification
KW  - Book
KW  - Classication of science
KW  - Communication
ER  -