Nikitenko, D. A. [P:(DE-HGF)0] ; Wolf, F. [P:(DE-HGF)0] ; Mohr, B. [P:(DE-Juel1)132199] ; Hoefler, T. [P:(DE-HGF)0] ; Stefanov, K. S. [P:(DE-HGF)0] ; Voevodin, Vad. V. [P:(DE-HGF)0] ; Antonov, A. S. [P:(DE-HGF)0] ; Calotoiu, A. [P:(DE-HGF)0]