Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Acoustical diffraction-en#Sense
Akustische Beugung-de#Sense
Akustinen diffraktio-fi#Sense
Akoestische diffractie-nl#Sense
Ακουστική περίθλαση-el#Sense
Akustinen taipuminen-fi#Sense
Akoestische buiging-nl#Sense
Diffraction acoustique-fr#Sense
Difracción acústica-es#Sense
Diffrazione acustica-it#Sense
Difração acústica-pt#Sense
Akustisk diffraktion-sv#Sense
Akustisk diffraktion-da#Sense