Herzog, H. [P:(DE-Juel1)VDB612] ; Meyer, P. T. [P:(DE-HGF)0] ; Stoffels, G. [P:(DE-Juel1)131627] ; Floeth, F. [P:(DE-HGF)0] ; Pauleit, D. [P:(DE-HGF)0] ; Coenen, H. H. [P:(DE-Juel1)131816] ; Langen, K. J. [P:(DE-Juel1)131777]