Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Bâtiment et travaux publics-fr#Sense
Constructional and civil engineering-en#Sense
Hoch- und Tiefbau-de#Sense
Bauhauptgewerbe-de#Sense
Bauwirtschaft-de#Sense