Acoustics — Reference zero for the calibration of audiometric equipment — Part 5: Reference equivalent threshold sound pressure levels for pure tones in the frequency range 8 kHz to 16 kHz
ISO/TR 389-5:1998Acoustics — Reference zero for the calibration of audiometric equipmentPart 5: Reference equivalent threshold sound pressure levels for pure tones in the frequency range 8 kHz to 16 kHz