Li, Dan [P:(DE-Juel1)173997] ; Vogel, Bärbel [P:(DE-Juel1)129164] ; Müller, Rolf [P:(DE-Juel1)129138] ; Bian, J. [P:(DE-HGF)0] ; Günther, Gebhard [P:(DE-Juel1)129123] ; Ploeger, Felix [P:(DE-Juel1)129141] ; Li, Q. [P:(DE-HGF)0] ; Zhang, J. [P:(DE-HGF)0] ; Bai, Zh. [P:(DE-HGF)0] ; Riese, Martin [P:(DE-Juel1)129145]