TY  - BOOK
AU  - Bureau of Indian Standards
TI  - Specification for Tungsten Filament General Service Electric Lamps (IS : 418 - 1978) 
U1  - IS : 418 - 1978 
PY  - 1979///
CY  - New Delhi
PB  - Bureau of Indian Standards
KW  - Indian Standard - IT
N1  - IS : 418 - 1978
ER  -