Bogorodskiy, A. [P:(DE-HGF)0] ; Polovinkin, V. [P:(DE-HGF)0] ; Mishin, A. [P:(DE-HGF)0] ; Ilyinsky, N. [P:(DE-HGF)0] ; Gordeliy, Valentin [P:(DE-Juel1)131964] ; Cherezov, V. [P:(DE-HGF)0] ; Büldt, Georg [P:(DE-Juel1)131957] ; Gensch, Thomas [P:(DE-Juel1)131924] ; Borshchevskiy, Valentin [P:(DE-Juel1)144613]