TY  - BOOK
AU  - International Electrotechnical Commission
TI  - IEC: 34 - 18 - 21 - 1992; Rotating electrical machines - Part 18 functional evaluation of insulation systems Section 21 test procedures for wire-wound windings - thermal evaluation and classification
PY  - 1992///
CY  - Geneva
PB  - IEC
ER  -