Ji, Ruiyun [P:(DE-Juel1)179512] ; Wenig, P. [P:(DE-HGF)0] ; Kelm, Stephan [P:(DE-Juel1)130361] ; Klein, Markus [P:(DE-Juel1)180412] ; Allelein, Hans-Josef [P:(DE-Juel1)130314]