Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/52
Is Reference of Kohle-de#Sense
Steenkool-nl#Sense
Carbone-it#Sense
Charbon-fr#Sense
Kol-sv#Sense
Carbón-es#Sense
Kul-da#Sense
Hiili-fi#Sense
Carvão-pt#Sense
Coal-en#Sense
Γαιάνθρακας/κάρβουνο-el#Sense