Rieger, Torsten [P:(DE-Juel1)141766] ; Jörres, Torsten [P:(DE-HGF)0] ; Vogel, J. [P:(DE-HGF)0] ; Biermanns, A. [P:(DE-HGF)0] ; Pietsch, U. [P:(DE-HGF)0] ; Grützmacher, Detlev [P:(DE-Juel1)125588] ; Lepsa, Mihail Ion [P:(DE-Juel1)128603]