Floeth, F. W. [P:(DE-HGF)0] ; Sabel, M. [P:(DE-HGF)0] ; Stoffels, G. [P:(DE-Juel1)131627] ; Pauleit, D. [P:(DE-HGF)0] ; Hamacher, K. [P:(DE-Juel1)VDB551] ; Steiger, H. J. [P:(DE-HGF)0] ; Langen, K. J. [P:(DE-Juel1)131777]