Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Kulbrinter-da#Sense
Olie-nl#Sense
Hydrocarbures-fr#Sense
Öl-de#Sense
Olie og gas-da#Sense
Hiilivedyt-fi#Sense
Oil-en#Sense
Carbonhydrider-da#Sense