DIN EN 62037-4-2013 無源無線電頻率(RF)和微波器件、內調水平測量.第4部分:同軸電纜中的無源互調測量(IEC 62037-4-2012).德文版本EN 62037-4-2012
Passive RF and microwave devices, intermodulation level measurement - Part 4: Measurement of passive intermodulation in coaxial cables (IEC 62037-4:2012); German version EN 62037-4:2012