Die Wiener Gruppe : a moment of modernity 1954-1960, the visual works and the actions : Friedrich Achleitner, H.C. Artmann, Konrad Bayer, Gerhard Rühm, Oswald Wiener = The Vienna Group : a moment of modernity 1954-1960, the visual works and the actions : Friedrich Achleitner, H.C. Artmann, Konrad Bayer, Gerhard Rühm, Oswald Wiener
