Lyatti, Matvey [P:(DE-Juel1)130812] ; Gundareva, Irina [P:(DE-Juel1)144210] ; Snezhko, Alexander [P:(DE-Juel1)136672] ; Pavlovski, V. [P:(DE-HGF)0] ; Gubankov, V. [P:(DE-HGF)0] ; Poppe, U. [P:(DE-Juel1)130898] ; Urban, Knut [P:(DE-Juel1)131013] ; Divin, Yuri [P:(DE-Juel1)130621]