Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Radar-navigering-da#Sense
Radarnavigation-da#Sense
Navegação por radar-pt#Sense
Navigation au radar-fr#Sense
Navigazione con radar-it#Sense
Radarfahrt-de#Sense
Navegación por radar-es#Sense
Radar navigation-en#Sense
Ναυσιπλοϊα με ραντάρ-el#Sense
Radarvaart-nl#Sense