2021KS I ISO 1996-1:2021 Acoustics — Description, measurement and assessment of environmental noise — Part 1: Basic quantities and assessment procedures
2015KS I ISO 1996-1:2015 Acoustics — Description, measurement and assessment of environment noise — Part 1: Basic quantities and assessment procedures
2004KS I ISO 1996-1:2004 Acoustics - Description, measurement and assessment of environment noise -- Part 1: Basic quantities and assessment procedures