Strempfer, J. [P:(DE-HGF)0] ; Hupfeld, D. [P:(DE-Juel1)VDB660] ; Voigt, J. [P:(DE-Juel1)VDB1717] ; Bihlmayer, G. [P:(DE-Juel1)130545] ; Goldman, A. I. [P:(DE-HGF)0] ; Brückel, T. [P:(DE-Juel1)130572]