Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/66
Is Reference of Aardgas-nl#Sense
Maaöljykaasu-fi#Sense
Gás de petróleo-pt#Sense
Petroleum gas-en#Sense
Αέριο πετρελαίου-el#Sense
Jordoliegas-da#Sense
Gaz de pétrole-fr#Sense
Gas de petróleo-es#Sense
Petroleumgas-sv#Sense
Erdgas-de#Sense
Gas di petrolio-it#Sense