Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/3606002
Is Reference of Carboniferous limestone-en#Sense
Carboniumhoudende kalkzandsteen-nl#Sense
Kohlenkalk-de#Sense
Calcaire carbonifère-fr#Sense
Calcare carbonifero atom-it#Sense
Bituminøs kalksten-da#Sense