Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Ominaisresonanssi-fi#Sense
Omaresonanssi-fi#Sense
Risonanza naturale-it#Sense
Resonanzfrequenz-de#Sense
Φυσικός συντονισμός-el#Sense
Résonance naturelle-fr#Sense
Naturlig resonans-da#Sense
Resonancia natural-es#Sense
Naturlig resonans-sv#Sense
Natuurlijke resonantie-nl#Sense
Natural resonance-en#Sense