Birkmann, E. [P:(DE-Juel1)VDB65870] ; Henke, F. [P:(DE-Juel1)VDB65871] ; Funke, S. A. [P:(DE-Juel1)VDB65869] ; Bannach, O. [P:(DE-HGF)0] ; Riesner, D. [P:(DE-HGF)0] ; Willbold, D. [P:(DE-Juel1)132029]