Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/52
Is Reference of Aardoliewinning-nl#Sense
Εξαγωγή (εξόρυξη) πετρελαίου-el#Sense
Extraction de pétrole-fr#Sense
Extracción de petróleo-es#Sense
Oil extraction-en#Sense
Extração de petróleo-pt#Sense
Extração de óleo-pt#Sense
Εξαγωγή (εξόρυξη πετρελαίου-el#Sense
Olieudvinding-da#Sense
Estrazione di petrolio-it#Sense
Erdölförderung-de#Sense
Oljeutvinning-sv#Sense
Öljyn uuttaminen-fi#Sense