Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Acoustic wave-en#Sense
Onde acoustique-fr#Sense
Akkustikwelle-de#Sense
Onda acustica-it#Sense
Akustisk bølge-da#Sense
Ακουστικό κύμα-el#Sense
Onda acústica-es#Sense
Onda acústica-pt#Sense