Petraru, A. [P:(DE-Juel1)VDB5557] ; Pertsev, N. A. [P:(DE-Juel1)VDB3050] ; Kohlstedt, H. H. [P:(DE-Juel1)VDB8298] ; Poppe, U. [P:(DE-Juel1)VDB21377] ; Waser, R. [P:(DE-Juel1)131022] ; Solbach, A. [P:(DE-HGF)0] ; Klemradt, U. [P:(DE-HGF)0]