Hildebrand, P. [P:(DE-HGF)0] ; Königschulte, W. [P:(DE-HGF)0] ; Gaber, T. J. [P:(DE-HGF)0] ; Bubenzer-Busch, S. [P:(DE-HGF)0] ; Helbold, K. [P:(DE-HGF)0] ; Biskup, C. S. [P:(DE-HGF)0] ; Langen, Karl-Josef [P:(DE-Juel1)131777] ; Fink, Gereon Rudolf [P:(DE-Juel1)131720] ; Zepf, F. D. [P:(DE-HGF)0]