Redinger, A. [P:(DE-HGF)0] ; Hansen, H. [P:(DE-HGF)0] ; Linke, U. [P:(DE-Juel1)VDB23435] ; Rosandi, Y. [P:(DE-HGF)0] ; Urbassek, H. M. [P:(DE-HGF)0] ; Michely, T. [P:(DE-HGF)0]