El Harrar, Till [P:(DE-Juel1)176217] ; Davari, Mehdi D. [P:(DE-HGF)0] ; Jaeger, Karl-Erich [P:(DE-Juel1)131457] ; Schwaneberg, Ulrich [P:(DE-HGF)0] ; Gohlke, Holger [P:(DE-Juel1)172663]