Tesch, M. F. [P:(DE-HGF)0] ; Gilbert, M. C. [P:(DE-HGF)0] ; Mertins, H.-Ch. [P:(DE-HGF)0] ; Bürgler, D. E. [P:(DE-HGF)0] ; Berges, U. [P:(DE-HGF)0] ; Schneider, C. M. [P:(DE-Juel1)130948]