Arnold, W. [P:(DE-HGF)0] ; Friedrichs, H. [P:(DE-HGF)0] ; Göbel, R. [P:(DE-HGF)0] ; Heil, R.D. [P:(DE-HGF)0] ; Kneissl, U. [P:(DE-HGF)0] ; Seemann, U. [P:(DE-HGF)0] ; Steiper, F. [P:(DE-HGF)0] ; Kozhuharov, C. [P:(DE-Ds200)OR0633] ; Frommhold, Th. [P:(DE-HGF)0]