Bögner, M. [P:(DE-HGF)0] ; Buschhorn, G. [P:(DE-H253)PIP1002810] ; Kotthaus, R. [P:(DE-HGF)0] ; Oberhuber, R. [P:(DE-HGF)0] ; Rzepka, M. [P:(DE-HGF)0] ; Schmidt, K. H. [P:(DE-HGF)0]