Graf, A. [P:(DE-Juel1)129461] ; Prolingheuer, N. [P:(DE-Juel1)VDB72509] ; Herbst, M. [P:(DE-Juel1)129469] ; Schickling, A. [P:(DE-Juel1)7338] ; Erentok, K. [P:(DE-Juel1)VDB79362] ; Plückers, C. [P:(DE-Juel1)VDB78277] ; Schüttemeyer, D. [P:(DE-HGF)0] ; Schmidt, M. [P:(DE-Juel1)144420] ; Schneider, K. [P:(DE-HGF)0] ; Vereecken, H. [P:(DE-Juel1)129549]