Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/6811
Is Reference of Bod-en#Sense
Demande biologique en oxygène dbo-fr#Sense
Biologischer Sauerstoffbedarf Bsb-de#Sense
Biological oxygen demand-en#Sense
Biologische zuurstofbehoefte bzb-nl#Sense