Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/4821002
Is Reference of Riigisisene meresõit-et#Sense
Εθνική θαλάσσια κυκλοφορία-el#Sense
Domaći pomorski promet-hr#Sense
Binnenlands zeescheepvaartverkeer-nl#Sense
Indenlandsk søtransport-da#Sense
Nationell fart-sv#Sense
Domestic shipping-en#Sense
Trafic maritime national-fr#Sense
Tráfego marítimo nacional-pt#Sense