Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/6831
Is Reference of Explanada-es#Sense
Selected fill-en#Sense
Förbättrad underbyggnad-sv#Sense
Forbedret underbygning-da#Sense
Forbedret underbund-da#Sense
Bovenste laag van de aardebaan-nl#Sense
Βελτιωμένο υπέδαφος-el#Sense
Strato di fondazione migliorato-it#Sense
Sottofondo-it#Sense
Improved subgrade-en#Sense
Aardebaan-nl#Sense
Explanada mejorada-es#Sense
Strato letto-it#Sense
Capping layer-en#Sense
Strato di sottofondo migliorato-it#Sense
Verbeterde ondergrond-nl#Sense
Terrain naturel amélioré-fr#Sense
Förbättrad undergrund-sv#Sense
Terreno natural melhorado-pt#Sense
Zandbed-nl#Sense
Verbesserter Untergrund-de#Sense
Couche de forme-fr#Sense
Βελτιωμένο έδαφος θεμελιώσεως-el#Sense