Spelthahn, H. [P:(DE-Juel1)VDB72190] ; Kirsanov, D. [P:(DE-HGF)0] ; Legin, A. [P:(DE-HGF)0] ; Osterrath, T. [P:(DE-HGF)0] ; Schubert, J. [P:(DE-Juel1)128631] ; Zander, W. [P:(DE-Juel1)128648] ; Schöning, M.J. [P:(DE-Juel1)128727]