Wensorra, J. [P:(DE-HGF)0] ; Lepsa, M. I. [P:(DE-HGF)0] ; Indlekofer, K. M. [P:(DE-Juel1)VDB7772] ; Förster, A. [P:(DE-HGF)0] ; Jaschinsky, P. [P:(DE-Juel1)VDB64015] ; Voigtländer, B. [P:(DE-Juel1)VDB5601] ; Pirug, G. [P:(DE-Juel1)128784] ; Lüth, H. [P:(DE-Juel1)VDB975]