TY  - BOOK
AU  - INTERNATIONAL ELECTROTECHNICAl commission
TI  - IEC /TR2: 60909-1 - 1991; Short-circuit current calculation in three-phase a.c. systems Part 1 - Factors for the calculation of short-circuit currents in three-phase a.c. systems according to IEC-909
PY  - 1991///
CY  - GENEVA
PB  - IEC
ER  -