Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/3226
Is Reference of Akustische Ausbreitung-de#Sense
Propagación acústica-es#Sense
Akoestische voortplanting-nl#Sense
Akustinen eteneminen-fi#Sense
Propagation acoustique-fr#Sense
Propagação acústica-pt#Sense
Ljudutbredning-sv#Sense
Lydudbredelse-da#Sense
Acoustic propagation-en#Sense
Ακουστική διάδοση-el#Sense