Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/6811
Is Reference of Alcenos-pt#Sense
Olefine-de#Sense
Alkener-sv#Sense
Olefiner-da#Sense
Olefiinit-fi#Sense
Oléfines-fr#Sense
Alkenen-nl#Sense
Idrocarburi olefinici-it#Sense
Alkene-de#Sense
Olefins-en#Sense
Olefiner-sv#Sense