Ettler, M. [P:(DE-Juel1)VDB60357] ; Timmermann, H. [P:(DE-Juel1)VDB85569] ; Malzbender, J. [P:(DE-Juel1)129755] ; Weber, A. [P:(DE-Juel1)VDB2216] ; Menzler, N. H. [P:(DE-Juel1)129636]