Bram, M. [P:(DE-Juel1)129591] ; Brands, K. [P:(DE-Juel1)VDB77818] ; Meulenberg, W.A. [P:(DE-Juel1)129637] ; Göttlicher, G. [P:(DE-Juel1)VDB86287] ; Buchkremer, H.P. [P:(DE-Juel1)129594] ; Stöver, D. [P:(DE-Juel1)129666]