Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/3606003
Is Reference of Μοναδική γεώτρηση-el#Sense
Pozo único-es#Sense
Einlochbohrung-de#Sense
Singlet-en#Sense
Pozzo unico-it#Sense
Puits unique-fr#Sense
Singoletto-it#Sense