Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Tonfrequenz-de#Sense
Lage frequente-nl#Sense
Audiofrecuencia-es#Sense
Fréquence son-fr#Sense
Audio frequency-en#Sense
Tonefrekvens-da#Sense
En tones frekvens-da#Sense
Lydfrekvens-da#Sense
Frecuencia acústica-es#Sense
Audiofrequenza-it#Sense
Baja frecuencia-es#Sense
Frequenza acustica-it#Sense