AS ISO 389.1 - 2007. Acoustics - Reference zero for the calibration of audometric equipment. Part 1: Reference equivalent threshold sound pressure levels for pure tones and supra-aural eaphones
AS ISO 389.1 - 2007. Acoustics - Reference zero for the calibration of audometric equipment. Part 1: Reference equivalent threshold sound pressure levels for pure tones and supra-aural eaphones
- Sydney Standards Australia 2007