Chioncel, L. [P:(DE-HGF)0] ; Mavropoulos, Ph. [P:(DE-Juel1)130823] ; Lezaic, M. [P:(DE-Juel1)VDB37180] ; Blügel, S. [P:(DE-Juel1)130548] ; Arrigoni, E. [P:(DE-HGF)0] ; Katsnelson, M. I. [P:(DE-HGF)0] ; Lichtenstein, A. I. [P:(DE-HGF)0]