Ruffle, B. [P:(DE-HGF)0] ; Ayrinhac, S. [P:(DE-HGF)0] ; Courtens, E. [P:(DE-HGF)0] ; Vacher, R. [P:(DE-HGF)0] ; Foret, M. [P:(DE-HGF)0] ; Wischnewski, A. [P:(DE-Juel1)131040] ; Buchenau, U. [P:(DE-Juel1)VDB4175]