Korolkov, D. [P:(DE-Juel1)VDB58597] ; Busch, P. [P:(DE-Juel1)VDB7313] ; Willner, L. [P:(DE-Juel1)VDB4260] ; Kentzinger, E. [P:(DE-Juel1)130754] ; Rücker, U. [P:(DE-Juel1)VDB1360] ; Paul, A. [P:(DE-HGF)0] ; Frielinghaus, H. [P:(DE-Juel1)VDB4228] ; Brückel, T. [P:(DE-Juel1)130572]