Jakob, P. [P:(DE-HGF)0] ; Zaitsev, N. L. [P:(DE-HGF)0] ; Namgalies, A. [P:(DE-HGF)0] ; Tonner, R. [P:(DE-HGF)0] ; Nechaev, I. A. [P:(DE-HGF)0] ; Tautz, F. S. [P:(DE-Juel1)128791] ; Höfer, U. [P:(DE-HGF)0] ; Sánchez-Portal, D. [P:(DE-HGF)0]