Ganeva, M. [P:(DE-Juel1)161101] ; Kashtanov, P. V. [P:(DE-HGF)0] ; Kosarim, A. V. [P:(DE-HGF)0] ; Smirnov, B. M. [P:(DE-HGF)0] ; Hippler, R. [P:(DE-HGF)0]