Zhang, H. [P:(DE-HGF)0] ; Oppel, I.M. [P:(DE-HGF)0] ; Spiteller, M. [P:(DE-HGF)0] ; Guenther, K. [P:(DE-Juel1)VDB40956] ; Boehmler, G. [P:(DE-HGF)0] ; Zuehlke, S. [P:(DE-HGF)0]