Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/3236
Is Reference of Layer-en#Sense
Στρώμα-el#Sense
Nivel-es#Sense
Capa-es#Sense
Laag-nl#Sense
Livello-it#Sense
Couche-fr#Sense
Strato-it#Sense
Nível-pt#Sense
Lag-da#Sense
Schicht-de#Sense