Measurement microphones - Part 5: Methods for pressure calibration of working standard microphones by comparison (IEC 29/870/CDV:2015); German and English version prEN 61094-5:2015
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— 26 стр.