Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/5211003
Is Reference of Deep sea-floor mining-en#Sense
Deep seabed mining-en#Sense
Exploitation des grands fonds marins-fr#Sense
Tiefseebergbau-de#Sense
Explotación minera de los fondos marinos-es#Sense