TY  - BOOK
AU  - Ramaswamy, G. S.
AU  - Rao, V. V. L.
TI  - SI UNITS, A SOURCE BOOK
U1  - 389.152 
PY  - 1971///
CY  - Bombay
PB  - Tata Mcgraw-Hill
KW  - Units
N1  - Bibliography : P. 109
ER  -