Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of ELF-pt#Sense
Frequência muito baixa-pt#Sense
Ιδιαίτερα χαμηλή συχνότητα-el#Sense
Ekstrem lav frekvens-da#Sense
Frecuencia extraordinariamente baja-es#Sense
Frequenza estremamente bassa-it#Sense
FEB-pt#Sense
Frequência extremamente baixa-pt#Sense
Extra Low Frequency-en#Sense
Extremely Low Frequency-en#Sense
Fréquence extrêmement basse-fr#Sense
ELF-en#Sense
FEB-es#Sense
ELF-nl#Sense
Erittäin pieni taajuus-fi#Sense
Extremt låg frekvens-sv#Sense
Frecuencia extremadamente baja-es#Sense
ELF-da#Sense
FEB-fr#Sense