Schlicht, S. [P:(DE-Juel1)VDB41937] ; Krämer, M. [P:(DE-Juel1)129131] ; Schiller, C. [P:(DE-Juel1)VDB1410] ; Gensch, I. [P:(DE-Juel1)6110] ; Spelten, N. [P:(DE-Juel1)129155] ; Sitnikov, N. [P:(DE-HGF)0]