TY  - BOOK
AU  - I.E.C.
TI  - STL Guide to the interpretation of IEC 60298-1990-12: Amendment No. 3; AC metal-enclosed switchgear and controlgear for rated voltages above 1kV and up to including 52kV
PY  - 2001///
CY  - Geneva
PB  - IEC
ER  -