Schmitz, M. [P:(DE-Juel1)VDB7936] ; Weber, A. [P:(DE-Juel1)VDB2216] ; Josten, E. [P:(DE-Juel1)VDB84415] ; Rücker, U. [P:(DE-Juel1)VDB1360] ; Brückel, T. [P:(DE-Juel1)130572]