2023KS I ISO 9614-1-2023 Acoustics — Determination of sound power levels of noise sources using sound intensity — Part 1: Measurement at discrete points
2020KS I ISO 9614-1:2020 Acoustics — Determination of sound power levels of noise sources using sound intensity — Part 1: Measurement at discrete points
2014KS I ISO 9614-1:2014 Acoustics — Determination of sound power levels of noise sources using sound intensity — Part 1: Measurement at discrete points
2004KS I ISO 9614-1:2004 Acoustics-Determination of sound power levels of noise sources using sound intensity-Part 1:Measurement at discrete points