Li, Dan [P:(DE-Juel1)173997] ; Bian, Jianchun [P:(DE-HGF)0] ; Zhang, Xin [P:(DE-Juel1)179088] ; Vogel, Bärbel [P:(DE-Juel1)129164] ; Müller, Rolf [P:(DE-Juel1)129138] ; Günther, Gebhard [P:(DE-Juel1)129123]