Owen, R. W. [P:(DE-HGF)0] ; Haubner, R. [P:(DE-HGF)0] ; Mier, W. [P:(DE-HGF)0] ; Giacosa, A. ; Hull, W. E. [P:(DE-HGF)0] ; Spiegelhalder, B. [P:(DE-HGF)0] ; Bartsch, H. [P:(DE-HGF)0]