Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/52
Is Reference of Natural gas-en#Sense
Aardgas-nl#Sense
Erdgas-de#Sense
Gaz naturel-fr#Sense
Naturgas-sv#Sense
Naturgas-da#Sense
Gas natural-es#Sense
"maakaasu, luonnonkaasu"-fi#Sense
Maakaasu, luonnonkaasu-fi#Sense
Φυσικό αέριο-el#Sense
Gás natural-pt#Sense
Gas naturale-it#Sense