Riedel, M. [P:(DE-HGF)0] ; Heddrich, M. P. [P:(DE-HGF)0] ; Ansar, A. [P:(DE-HGF)0] ; Fang, Q. [P:(DE-Juel1)145945] ; Blum, Ludger [P:(DE-Juel1)129828] ; Friedrich, K. A. [P:(DE-HGF)0]