TY  - GEN
AU  - Rao, Seshagiri V A
TI  - Step By Step Classification A Fourmula Based Classification 2 Vol Set 
SN  - 9788193359792
U1  - 025.42 
PY  - 2017///
CY  - New Delhi
PB  - Ess ess publication
KW  - Classification--Books
KW  - Octal numerals
KW  - Schedule
ER  -