Guide for procurement of power station equipment - Part 2-4: Electrical equipment; high power static converters; German version EN 45510-2-4:2000— 17 стр.
Preparation of documents used in electrotechnology - Part 1: General requirements (IEC 61082-1:1991 + Corr. 11.93); German version EN 61082-1:1993— 75 стр.