Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/6811
Is Reference of Hydrogénation-fr#Sense
Hydrierung-de#Sense
Hydrogenisatie-nl#Sense
Hydrogenation-en#Sense
Hydraus-fi#Sense
Hydrogenering-nl#Sense
Hydrogenatie-nl#Sense