TY  - BOOK
ED  - Bureau of Indian Standards
TI  - AC electricity meters, Part 7/Sec. 3:volt-ampere-hour meters for full power factor range : Sec. 3 Arithmetic sum V Ah meters 
U1  - 621.317.783 B. I. S. 
PY  - 1988///
PB  - Bureau of Indian Standards
KW  - AC electricity meters
ER  -