Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/3606003
Is Reference of Schichtweise aufgebauter Wassertunnel-de#Sense
Veine hydraulique stratifiée-fr#Sense
Lagdelt vandtunnel-da#Sense
Vena idraulica stratificata-it#Sense
Stratified water tunnel-en#Sense
Gelaagde watertunnel-nl#Sense