Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Megatonnage-da#Sense
Megatonnaggio-it#Sense
Megatonnenwert-de#Sense
Μεγάτονοι-el#Sense
Mégatonnage-fr#Sense
Megatonelada-es#Sense
Megatonnage-en#Sense
Megatonnage-nl#Sense