Schaub, A. [P:(DE-Juel1)VDB10108] ; Grabmer, W. [P:(DE-HGF)0] ; Beauchamp, J. [P:(DE-HGF)0] ; Wisthaler, A. [P:(DE-HGF)0] ; Spirig, C. [P:(DE-HGF)0] ; Koppmann, R. [P:(DE-Juel1)VDB810] ; Hansel, A. [P:(DE-HGF)0]