Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Συχνότητα ηρεμίας-el#Sense
Centrale frequentie-nl#Sense
Fréquence centrale-fr#Sense
Center frequency-en#Sense
Ηρεμική συχνότητα-el#Sense
Frequenza centrale-it#Sense
Fréquence nominale-fr#Sense
Mittfrekvens-sv#Sense
Frequência central-pt#Sense
Frecuencia central-es#Sense
Mittelfrequenz-de#Sense
Keskitaajuus-fi#Sense