Bauer, F. [P:(DE-HGF)0] ; Hofinger, E. [P:(DE-HGF)0] ; Hoffmann, S. [P:(DE-Juel1)VDB630] ; Rösch, P. [P:(DE-HGF)0] ; Schweimer, K. [P:(DE-HGF)0] ; Sticht, H. [P:(DE-HGF)0]