Sharaf, M. [P:(DE-HGF)0] ; Münstermann, Sebastian [P:(DE-Juel1)162365] ; Vajragupta, N. [P:(DE-HGF)0] ; Kucharczyk, P. [P:(DE-HGF)0] ; Hartmaier, A. [P:(DE-HGF)0] ; Bleck, W. [P:(DE-HGF)0]