IATE-1566457

Subject Field	unknown
Is Reference of	Πλοήγηση με τη βοήθεια ουράνιων σωμάτων-el#Sense
	Navegación celeste-es#Sense
	Astronavigatie-nl#Sense
	Astronavigering-sv#Sense
	Navigazione astronomica-it#Sense
	Astronavigation-de#Sense
	Astronavegación-es#Sense
	Astro-navigation-en#Sense
	Astronomisk navigation-da#Sense
	Tähdistäsuunnistus-fi#Sense
	Navigation astronomique-fr#Sense