Acoustics - Measurement of the influence of road surfaces on traffic noise - Part 2: The close-proximity method (ISO/DIS 11819-2.2:2015); German and English version prEN ISO 11819-2:2015
Acoustics - Measurement of the influence of road surfaces on traffic noise - Part 2: The close-proximity method (ISO 11819-2:2017); German version EN ISO 11819-2:2017— 78 стр.