Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/36
Is Reference of Generatrix-en#Sense
Generating line-en#Sense
Generatrice-nl#Sense
Generatrice-it#Sense
Erzeugende-de#Sense
Generator-en#Sense
Génératrice-fr#Sense