Krienitz, L. [P:(DE-HGF)0] ; Hegewald, E. [P:(DE-Juel1)VDB575] ; Hepperle, D. [P:(DE-HGF)0] ; Huss, V. A. R. [P:(DE-HGF)0] ; Rohr, T. [P:(DE-HGF)0] ; Wolf, M. [P:(DE-HGF)0]