Klemmer, Helge F. M. [P:(DE-HGF)0] ; Allgaier, J. [P:(DE-Juel1)130501] ; Frielinghaus, Henrich [P:(DE-Juel1)130646] ; Holderer, Olaf [P:(DE-Juel1)130718] ; Ohl, Michael [P:(DE-Juel1)130872]