UNE-EN 61094-5:2017 Electroacoustics - Measurement microphones - Part 5: Methods for pressure calibration of working standard microphones by comparison
2017UNE-EN 61094-5:2017 Electroacoustics - Measurement microphones - Part 5: Methods for pressure calibration of working standard microphones by comparison
2002UNE-EN 61094-5:2002 Measurement microphones -- Part 5: Methods for pressure calibration of working standard microphones by comparison.