VDI 3723 Blatt 2-2004 Application of statistical methods in the description of variating noise immissions - Part 2: Quality testing for the assessment (rating) of noise situations
2006VDI 3723 Blatt 2-2006 Application of statistical methods in the description of variating noise immissions - Part 2: Quality testing for the assessment (rating) of noise situations
2004VDI 3723 Blatt 2-2004 Application of statistical methods in the description of variating noise immissions - Part 2: Quality testing for the assessment (rating) of noise situations
1995VDI 3723 Blatt 2-1995 Description of noise impact levels - Elaboration on terms for the assessment of working noise in the vicinity
1989VDI 3723 Blatt 2-1989 Description of noise impact levels; precision of conceptions for the assessment of working noise in the vicinity