Richter, C. [P:(DE-Juel1)4834] ; Rohrer, F. [P:(DE-Juel1)16347] ; Wegener, R. [P:(DE-Juel1)2367] ; Volz-Thomas, A. [P:(DE-Juel1)6742] ; Dorn, H.-P. [P:(DE-Juel1)16317] ; Schlosser, E. [P:(DE-Juel1)VDB26256] ; Wahner, A. [P:(DE-Juel1)16324]