TY  - BOOK
AU  - IEC
TI  - IEC: 62056-21-2002-05:Electricity Metering-Data Exchange for meter Reading,Tariff and Load Control-Part-21: Direct Local data exchange
SN  - 2-8318-6253-1
PY  - 2002///
CY  - Geneva
PB  - IEC
ER  -