Haas, Fabian [P:(DE-HGF)0] ; Zellekens, Patrick [P:(DE-Juel1)145960] ; Wenz, Tobias [P:(DE-HGF)0] ; Demarina, Nataliya [P:(DE-Juel1)125576] ; Rieger, Torsten [P:(DE-HGF)0] ; Lepsa, Mihail Ion [P:(DE-Juel1)128603] ; Grützmacher, Detlev [P:(DE-Juel1)125588] ; Lüth, Hans [P:(DE-Juel1)128608] ; Schäpers, Thomas [P:(DE-Juel1)128634]