UNE-EN ISO 11819-2:2017 Acoustics - Measurement of the influence of road surfaces on traffic noise - Part 2: The close-proximity method (ISO 11819-2:2017) (Endorsed by Asociación Española de Normalización in July of 2017.)
2017UNE-EN ISO 11819-2:2017 Acoustics - Measurement of the influence of road surfaces on traffic noise - Part 2: The close-proximity method (ISO 11819-2:2017) (Endorsed by Asociación Española de Normalización in July of 2017.)