DIN EN 61094-5-2016 电声学.测量传声器.第5部分:用比对对工作标准传声器的压力校准方法(IEC 61094-5-2016).德文版本EN 61094-5-2016
Electroacoustics - Measurement microphones - Part 5: Methods for pressure calibration of working standard microphones by comparison (IEC 61094-5:2016); German version EN 61094-5:2016