IATE-1371402

Subject Field	Subject Field/6826
Is Reference of	Grenzfrequenz-de#Sense
	Kritische frequentie-nl#Sense
	Frequência crítica-pt#Sense
	Fréquence critique-fr#Sense
	Critical frequency-en#Sense
	Frequenza critica-it#Sense
	Frecuencia crítica-es#Sense
	Kriittinen taajuus-fi#Sense
	Kritisk frekvens-da#Sense
	Κρίσιμη συχνότητα-el#Sense
	Fréquence de pénétration-fr#Sense
	Kritisk frekvens-sv#Sense