Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field Subject Field/36
Is Reference of Frustrum of pyramid-en#Sense
Pyramidenstumpf-de#Sense
Tronco di piramide-it#Sense
Afgeknotte piramide-nl#Sense
Frustum of pyramid-en#Sense
Tronc de pyramide-fr#Sense