Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Vertical translation-en#Sense
Senkrechter Sinkflug-de#Sense
Κατακόρυφη κάθοδος-el#Sense
Descenso vertical-es#Sense
Discesa verticale-it#Sense
Vertical descent-en#Sense
Descente verticale-fr#Sense
Verticale daling-nl#Sense
Descida vertical-pt#Sense