Davaasambuu, J. [P:(DE-HGF)0] ; Güthoff, F. [P:(DE-HGF)0] ; Hoelzel, M. [P:(DE-HGF)0] ; Senyshyn, A. [P:(DE-HGF)0] ; Radulescu, A. [P:(DE-Juel1)VDB4342] ; Eckold, G [P:(DE-HGF)0]