Konopka, Paul [P:(DE-Juel1)129130] ; Grooß, J.-U. [P:(DE-Juel1)129122] ; Hoppel, K. W. [P:(DE-HGF)0] ; Steinhorst, H.-M. [P:(DE-Juel1)VDB17032] ; Müller, R. [P:(DE-Juel1)129138]