Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Convenzione MARPOL-it#Sense
Marpol konvencija-lt#Sense
Σύμβαση MARPOL-el#Sense
MARPOL Convention-da#Sense
Marpol-conventie-nl#Sense
MARPOL convention-en#Sense
Marpol-yleissopimus-fi#Sense
Convention POLMAR-fr#Sense
MARPOL-Vertrag-de#Sense