Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Strato di fondazione-it#Sense
Verbeterde ondergrond-nl#Sense
Verbesserter Untergrund-de#Sense
Egalisatielaag-nl#Sense
Couche de forme-fr#Sense
Strato letto-it#Sense
Selected fill-en#Sense
Erdbahnschicht-de#Sense