Fäßler, A. [P:(DE-HGF)0] ; Mayer-Böricke, C. [P:(DE-HGF)0] ; Schult, O. [P:(DE-HGF)0] ; Seyfarth, H. [P:(DE-HGF)0] ; Speth, J. [P:(DE-HGF)0] ; Turek, P. [P:(DE-HGF)0]