Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/52
Is Reference of NBP d B-fr#Sense
Niveau de bruit perçu-fr#Sense
Subjektiver Geräuschpegel-de#Sense
PNd B-en#Sense
PNL-en#Sense
Unité de niveau de bruit perçu-fr#Sense
Perceived noise level-en#Sense