Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Πεδίο φυσικού αερίου-el#Sense
Campo de gas natural-es#Sense
Erdgasfeld-de#Sense
Champ de gaz naturel-fr#Sense
Campo de gás natural-pt#Sense
Natural gas field-en#Sense
Campo di gas naturale-it#Sense