Feoktystov, Artem [P:(DE-Juel1)144382] ; Avdeev, M [P:(DE-HGF)0] ; Matoussevitch, N [P:(DE-HGF)0] ; Ioffe, Alexander [P:(DE-Juel1)130729] ; Brückel, Thomas [P:(DE-Juel1)130572]