Kozhedub, Yury S [P:(DE-HGF)0] ; Tupitsyn, Ilya I [P:(DE-HGF)0] ; Shabaev, Vladimir M [P:(DE-HGF)0] ; Hagmann, Siegbert [P:(DE-Ds200)OR0416] ; Plunien, Günter [P:(DE-HGF)0] ; Stöhlker, Thomas [P:(DE-Ds200)OR1264]