Alt, F. [P:(DE-HGF)0] ; Weber, G. [P:(DE-HGF)0] ; Messerschmidt, J. [P:(DE-HGF)0] ; von Bohlen, A. [P:(DE-HGF)0] ; Kastenholz, B. [P:(DE-Juel1)129343] ; Günther, K. [P:(DE-Juel1)129325]