Acoustics - Reference zero for the calibration of audiometric equipment - Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions (ISO 389-7:2005)— 13 стр.
Acoustics - Reference zero for the calibration of audiometric equipment - Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions (ISO 389-7:2005 + Amd 1:2016); German version EN ISO 389-7:2005 + A1:2016— 18 стр.
Acoustics - Measurement of airborne noise emitted by information technology and telecommunications equipment (ISO 7779:2010); German version EN ISO 7779:2010— 76 стр.