Hill, P. [P:(DE-Juel1)VDB619] ; Schläger, M. [P:(DE-Juel1)VDB29498] ; Dederichs, H. [P:(DE-Juel1)VDB265] ; Lennartz, R. [P:(DE-Juel1)VDB923] ; Hille, R. [P:(DE-Juel1)VDB620] ; Babenko, V. I. [P:(DE-HGF)0] ; Nesterenko, A. N. [P:(DE-HGF)0] ; Nesterenko, V. B. [P:(DE-HGF)0]