Saathoff, H. [P:(DE-HGF)0] ; Naumann, K.-H. [P:(DE-HGF)0] ; Möhler, O. [P:(DE-HGF)0] ; Donahue, N. [P:(DE-HGF)0] ; Mentel, T.F. [P:(DE-Juel1)16346] ; Tillmann, R. [P:(DE-Juel1)5344] ; Leisner, T. [P:(DE-HGF)0]