TY  - BOOK
AU  - International Electrotechnical Commission
TI  - IEC: 56 - 5 - 1971 (Amendment No.2 - 1981); High-voltage alternating-Current circuit-breakers 5 rules for the selection of circuit-breakers for service
PY  - 1981///
CY  - Geneva
PB  - IEC
ER  -