Instance of: http://www.w3.org/2004/02/skos/core#Concept
Subject Field unknown
Is Reference of Toroidal-en#Sense
Toroidal-es#Sense
Circular-pt#Sense
Em forma de toro-pt#Sense
Torus-shaped-en#Sense
Torusfoermig-de#Sense
Toroidal-de#Sense
Toroidale-it#Sense
Ringfoermig-de#Sense