IATE-1540587

Instance of: http://www.w3.org/2004/02/skos/core#Concept

Subject Field	Subject Field/3606
Is Reference of	Cube de Necker-fr#Sense
	Necker-Würfel-de#Sense
	Necker cube-en#Sense
	Umkehrfigur-de#Sense
	Necker kubus-da#Sense