Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Trockenbraunkohle-de#Sense
Lignite secca-it#Sense
Lignito seco-pt#Sense
Dried lignite-en#Sense
Lignito secado-es#Sense
Ξηρός λιγνίτης-el#Sense
Dried brown coal-en#Sense
Lignite séché-fr#Sense