Wördenweber, Roger [P:(DE-Juel1)128749] ; Schwarzkopf, J [P:(DE-HGF)0] ; cai, biya [P:(DE-Juel1)156302] ; Dai, Yang [P:(DE-Juel1)161308] ; Braun, D [P:(DE-HGF)0] ; Schubert, Jürgen [P:(DE-Juel1)128631] ; Hollmann, Eugen [P:(DE-Juel1)128687]