Mattauch, Stefan [P:(DE-Juel1)130821] ; Ioffe, A. [P:(DE-Juel1)130729] ; Lott, D. [P:(DE-HGF)0] ; Menelle, A. [P:(DE-HGF)0] ; Ott, F. [P:(DE-HGF)0] ; Medic, Z. [P:(DE-HGF)0]