Friedrich, T. [P:(DE-HGF)0] ; Tieke, B. [P:(DE-HGF)0] ; Meyer, M. [P:(DE-Juel1)VDB2821] ; Pyckhout-Hintzen, W. [P:(DE-Juel1)VDB4207] ; Pipich, V. [P:(DE-Juel1)VDB4339]