Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Astronavigering-sv#Sense
Navigazione astronomica cartografica-it#Sense
Astronavigation-da#Sense
Stellar map-matching guidance-en#Sense
Αστροναυτιλία-el#Sense
Kartografische sterrennavigatie-nl#Sense
Astronavegación-es#Sense
Astronavigation-de#Sense
Guidage stellaire cartographique-fr#Sense
Navegación cartográfica estelar-es#Sense
Astronavegação-pt#Sense