Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/6811
Is Reference of Solfuro di piombo-it#Sense
Sulfureto de chumbo-pt#Sense
Lead sulphide-en#Sense
Sulfuro de plomo-es#Sense
Sulfure de plomb-fr#Sense
Bleisulfid-de#Sense
Θειούχος μόλυβδος-el#Sense
Blysulfid-da#Sense