Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Calcium sulphate-en#Sense
Sulfato cálcico-es#Sense
Calciumsulfat-de#Sense
Calciumsulfat-da#Sense
Solfato di calcio-it#Sense
Calciumsulfaat-nl#Sense
Sulfate de calcium-fr#Sense