Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Grundschicht-de#Sense
Soubassement-fr#Sense
Alusrakenne-fi#Sense
Substrato-it#Sense
Grundstomme-sv#Sense
Substrate-en#Sense
Suporte-pt#Sense
Underlag-da#Sense
Βάση-el#Sense
Basamento-es#Sense
Grundlag-da#Sense
Basisschicht-de#Sense
Teppichgrund-de#Sense
Substrato-pt#Sense
Onderlaag-nl#Sense