Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/6831
Is Reference of Errichtung von Schutzwällen-de#Sense
Afskærmningsvold-da#Sense
Merlonnage-fr#Sense
Geluidkerende wal-nl#Sense
Terraplenes protectores-es#Sense
Revetment-en#Sense
Merlatura-it#Sense