Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Baliza interior-pt#Sense
Radiofaro di segnalazione interno-it#Sense
PEZ-de#Sense
Binnenmerkbaken-nl#Sense
Inner marker-en#Sense
Εγγύτερος ραδιοσημαντήρας-el#Sense
Platzeinflugzeichen-de#Sense
Balise intérieure-fr#Sense
Radioborne intérieure-fr#Sense
Inner marker beacon-en#Sense