Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/4826002
Is Reference of Tweedekker met vrijdragende vleugels-nl#Sense
Cantilever biplane-en#Sense
Προβολικό διπλάνο-el#Sense
Freitragender Zweidecker-de#Sense