Hill, P. [P:(DE-Juel1)VDB619] ; Lennartz, R. [P:(DE-Juel1)VDB923] ; Artemev, O. I. [P:(DE-HGF)0] ; Dederichs, H. [P:(DE-Juel1)VDB265] ; Ostapczuk, P. [P:(DE-Juel1)VDB1200] ; Ptitskaya, L. [P:(DE-HGF)0] ; Akhmetov, M. [P:(DE-HGF)0] ; Pivovarov, S. [P:(DE-HGF)0] ; Hille, R. [P:(DE-Juel1)VDB620]