Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Fosse Emscher-fr#Sense
Imhofftank-nl#Sense
Emscherbrunnen-de#Sense
Emscher-brønd-da#Sense
Imhoff tank-en#Sense
Décanteur-digesteur-fr#Sense
Decantador-pt#Sense
Combined decanter-digester-en#Sense
Emscherkaivo-fi#Sense
Digestor-decantador-es#Sense
Decantatore-digestore-it#Sense
Trix-tank-da#Sense
Emscherbrunn-sv#Sense
Fosa Emscher-es#Sense
Tanque Imhoff-pt#Sense