Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/52
Is Reference of Effluent-en#Sense
Purkuvesi-fi#Sense
Efluente-pt#Sense
Effluent-nl#Sense
Poistovesi-fi#Sense
Effluent-fr#Sense
Jätevesi-fi#Sense