Galerie Neuendorf, Frankfurt am Main, Germany

January 1, 1992

Galerie der Stadt Stuttgart, Stuttgart, Germany

January 1, 1992

Museum of Modern Art, Hünfeld, Germany

January 1, 1992

Janus Pannonicus Museum, Pécs, Hungary

January 1, 1991

Kunsthalle Nürnberg, Nuremberg, Germany

January 1, 1991

Sächsischer Kunstverein Dresden; Museum Cottbus; Mittelbömische Galerie, Prague, Czech Republic; Kunstmuseum Sunder, Germany

January 1, 1991 – January 1, 1992

Ulmer Museum, Ulm, Germany

January 1, 1991

Galerie St. Johann, Saarbrücken, Germany

January 1, 1991 – January 1, 1992

ARC Galerie, Hamburg, Germany

January 1, 1990

Staatsgalerie Stuttgart, Stuttgart, Germany

January 1, 1990

Galerie Fischer, Luzern, Switzerland

Konkrete Art in Europe January 1, 1990