Janiak, Christoph [P:(DE-HGF)0] ; Meyer, Hans-Jürgen [P:(DE-HGF)0] ; Gudat, Dietrich [P:(DE-HGF)0] ; Kurz, Philipp [P:(DE-HGF)0] ; Riedel, Erwin [P:(DE-HGF)0] ; Meyer, Hans-Jürgen [P:(DE-HGF)0]