Francisco Sobrino
ESTRUCTURA PERMUTACIONAL, C.U.P.2B
1962
Stainless steel
73.5 x 62 x 62 cm
Museo Nacional Centro de Arte Reina Sofía
Vjenceslav Richter
RELIEFOMETER F
1972
Aluminium
60 x 60 x 10 cm
Getulio Alviani Collection