Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/48
Is Reference of Travaux fluviaux-fr#Sense
Hydraulique fluviale-fr#Sense
Flußbau-de#Sense
Travaux d'aménagement fluvial-fr#Sense
Flußbauarbeiten-de#Sense