Klapper, Alice [P:(DE-Juel1)144041] ; Koehler, O. [P:(DE-HGF)0] ; Rücker, Ulrich [P:(DE-Juel1)130928] ; Petracic, Oleg [P:(DE-Juel1)145895] ; Brückel, Thomas [P:(DE-Juel1)130572]