Amor, N. [P:(DE-HGF)0] ; Zänker, P.P. [P:(DE-HGF)0] ; Blümler, P. [P:(DE-Juel1)VDB49819] ; Meise, F. [P:(DE-HGF)0] ; Schreiber, W.G. [P:(DE-HGF)0] ; Scholz, A. [P:(DE-HGF)0] ; Schmiedeskamp, J. [P:(DE-HGF)0] ; Spiess, H.W. [P:(DE-HGF)0] ; Münnemann, K. [P:(DE-HGF)0]