Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Lignite-en#Sense
Ligniet-nl#Sense
Braunkohle-de#Sense
Lignit-de#Sense
Lignite-it#Sense
Lignite-fr#Sense
Lignito-es#Sense
Brunkol-sv#Sense
Lignite [lenhite]-pt#Sense
Lignit-da#Sense