Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/36
Is Reference of Fascio conico-it#Sense
Kegelschnittbuendel-de#Sense
Bundel van kegelsneden-nl#Sense
Pencil of conics-en#Sense
Pinceau de coniques-fr#Sense
Faisceau de coniques-fr#Sense