Herzog, H. [P:(DE-Juel1)VDB612] ; Minnerop, M. [P:(DE-HGF)0] ; Eschner, W. [P:(DE-HGF)0] ; Jessen, F. [P:(DE-HGF)0] ; Schütz, C. [P:(DE-HGF)0] ; Schmaljohann, J. [P:(DE-HGF)0] ; Wuellner, U. [P:(DE-HGF)0]