Ploeger, F. [P:(DE-Juel1)129141] ; Riese, M. [P:(DE-Juel1)129145] ; Haenel, F. [P:(DE-HGF)0] ; Konopka, P. [P:(DE-Juel1)129130] ; Stiller, G. [P:(DE-HGF)0] ; Müller, Rolf [P:(DE-Juel1)129138]