ISA GENZKEN Stuttgart: Schwabstraße 2 30 May – 27 June 1980 here here Works Grau-grünes offenes Hyperbolo 1979synthetic resin paint on wooddiameter of circle 20 cmouter ellipse 15 x 25 cm, length 480 cm Grau-grünes offenes Hyperbolo (detail) 1979synthetic resin paint on wooddiameter of circle 20 cmouter ellipse 15 x 25 cm, length 480 cm Grau-grünes offenes Hyperbolo (detail) 1979synthetic resin paint on wooddiameter of circle 20 cmouter ellipse 15 x 25 cm, length 480 cm Violett-graues zweiteiliges Ellipsoid 1978synthetic resin paint on wood12 x 9 x 620 cm Detail aus vierteiliger HiFi Serie: Akai, Technics, Technical Research, Hitachi 1979photographseach 92 x 64 cm here