Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Survey method using an enveloping measurement surface over a reflecting plane (ISO 3746:2010); German version EN ISO 3746:2010— 59 стр.
Safety of power transformers, power supplies, reactors and similar products, Particular requirements and tests for transformers and power supplies for toys— 22 стр.
Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1 100 V - Part 2-16: Particular requirements and tests for switch mode power supply units and transformers for switch mode power supply units (IEC 61558-2-16:2009 + A1:2013) (english version)