Nusser, K. [P:(DE-Juel1)VDB79677] ; Mosbauer, T. [P:(DE-Juel1)VDB103657] ; Schneider, G.J. [P:(DE-Juel1)VDB96975] ; Brandt, K. [P:(DE-HGF)0] ; Weidemann, G. [P:(DE-HGF)0] ; Goebbels, J. [P:(DE-HGF)0] ; Riesemeier, H. [P:(DE-HGF)0] ; Göritz, D. [P:(DE-HGF)0]