Pozzoli, L. [P:(DE-HGF)0] ; Bey, I. [P:(DE-HGF)0] ; Rast, S. [P:(DE-HGF)0] ; Schultz, M. G. [P:(DE-Juel1)6952] ; Stier, P. [P:(DE-HGF)0] ; Feichter, J. [P:(DE-HGF)0]