Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Lignine-nl#Sense
Lignin-da#Sense
Λιγνίνη-el#Sense
Ligniini-fi#Sense
Lignin-de#Sense
Lignin-en#Sense
Lignina-it#Sense
Lignine-fr#Sense