Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/3606003
Is Reference of Lerskifer-da#Sense
Kleischalie-nl#Sense
Argile schisteuse-fr#Sense
Schalie-nl#Sense
Argillit-da#Sense
Argilla scistosa-it#Sense
Schieferton-de#Sense