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1999 |
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Museum Ludwig Cologne, Germany |
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1998 |
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Galerie Hans Mayer Düsseldorf, Germany |
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1997 |
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Politischer Club Colonia Cologne, Germany |
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1996 |
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Galerie Maximilian Krips Cologne, Germany |
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1995 |
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Galerie Vorsetzen Hamburg, Germany |
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1994 |
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Galerie Wilbrand Cologne, Germany |
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1993 |
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Kestner-Gesellschaft Hanover, Germany |
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1985 |
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Kunst nach 1945, Nationalgalerie Berlin Berlin, Germany |
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1979 |
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Softart, Kunsthaus Zürich |
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1970 |
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Jetzt, Kunsthalle Cologne Cologne, Germany |
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1968 |
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14 Media, Galerie Lichter Frankfurt, Germany |
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