Zellekens, Patrick [P:(DE-Juel1)145960] ; Demarina, Nataliya [P:(DE-Juel1)125576] ; Janssen, Johanna [P:(DE-Juel1)166417] ; Rieger, Torsten [P:(DE-HGF)0] ; Lepsa, Mihail Ion [P:(DE-Juel1)128603] ; Perla, Pujitha [P:(DE-Juel1)169951] ; Panaitov, G. [P:(DE-Juel1)128715] ; Lüth, Hans [P:(DE-Juel1)128608] ; Grützmacher, Detlev [P:(DE-Juel1)125588] ; Schäpers, Thomas [P:(DE-Juel1)128634]