Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/3236
Is Reference of MFM-en#Sense
Modulation de fréquence modifiée-fr#Sense
Modulazione di frequenza modificata-it#Sense
Modulación de la frecuencia modificada-es#Sense
Modulated Frequency Modulation-en#Sense
MFM-fr#Sense