Krämer, M. [P:(DE-Juel1)129131] ; Schlicht, S. [P:(DE-Juel1)VDB41937] ; Mangold, A. [P:(DE-Juel1)VDB13551] ; Gensch, I. [P:(DE-Juel1)6110] ; Schiller, C. [P:(DE-Juel1)VDB1410] ; Sitnikov, N. [P:(DE-HGF)0] ; Ebert, V. [P:(DE-HGF)0] ; Möhler, O. [P:(DE-HGF)0]