Lauter-Pasyuk, V. [P:(DE-HGF)0] ; Lauter, H. J. [P:(DE-HGF)0] ; Toperverg, B. [P:(DE-Juel1)VDB1665] ; Nikonov, O. [P:(DE-HGF)0] ; Petrenko, A. [P:(DE-HGF)0] ; Schubert, D. [P:(DE-HGF)0] ; Petry, W. [P:(DE-HGF)0] ; Aksenov, V. [P:(DE-HGF)0]