Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/52
Is Reference of Águas usadas-pt#Sense
Aguas residuales-es#Sense
Benutztes Wasser-de#Sense
Avlopssvatten-sv#Sense
Acqua usata-it#Sense
Eau usée-fr#Sense
Jätevesi-fi#Sense
Gebruikt water-nl#Sense
Spildevand-da#Sense
Used water-en#Sense
Χρησιμοποιημένα ύδατα-el#Sense