Ray, D. [P:(DE-HGF)0] ; Bencze, L. [P:(DE-HGF)0] ; Kath, D. [P:(DE-Juel1)VDB28018] ; Oates, W. A. [P:(DE-HGF)0] ; Herrmann, J. [P:(DE-Juel1)VDB28020] ; Singheiser, L. [P:(DE-Juel1)129795] ; Hilpert, K. [P:(DE-Juel1)VDB2710]