Dielectric and resistive properties of solid insulating materials. Determination of resistive properties (DC methods). Volume resistance and volume resistivity. Method for impregnation and coating materials— 18 стр.
Dielectric and resistive properties of solid insulating materials - Part 2-1: Relative permittivity and dissipation factor - Technical frequencies (0,1 Hz to 10 MHz) - AC Methods (IEC 62631-2-1:2018); German version EN IEC 62631-2-1:2018— 25 стр.