Schütte, K. [P:(DE-HGF)0] ; Meyer, H. [P:(DE-HGF)0] ; Gemel, Chr. [P:(DE-HGF)0] ; Barthel, Juri [P:(DE-Juel1)130525] ; Fischer, R. A. [P:(DE-HGF)0] ; Janiak, Chr. [P:(DE-HGF)0]