Transformers and inductors for use in electronic and telecommunication equipment - Measuring methods and test procedures (IEC 61007:1994, modified); German version EN 61007:1997— 38 стр.
Cores made of soft magnetic materials - Measuring methods - Part 3: Magnetic properties at high excitation level (IEC 62044-3:2000); German version EN 62044-3:2001— 31 стр.