Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Dorsal submarina-es#Sense
Υποθαλάσσια ράχη-el#Sense
Crestas submarinas-es#Sense
Submarine ridge-en#Sense
Dorsale sous-marine-fr#Sense
Merenalainen vuorijono-fi#Sense