Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/6811
Is Reference of Olefin-da#Sense
Olefine-nl#Sense
Oléfines-fr#Sense
Ολεφίνες-el#Sense
Olefines-en#Sense
Olefins-en#Sense
Olefine-it#Sense
Olefinas-pt#Sense
Olefine-de#Sense