Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of PBB-fr#Sense
PBB-de#Sense
Biphényle bromé-fr#Sense
Polybromiertes Biphenyl-de#Sense
Bifenile polibromato-it#Sense
PBB-it#Sense