Oberdisse, J. [P:(DE-HGF)0] ; Genix, A.C. [P:(DE-HGF)0] ; Couty, M. [P:(DE-HGF)0] ; Schneider, G.J. [P:(DE-Juel1)VDB96975] ; Pyckhout-Hintzen, W. [P:(DE-Juel1)VDB4207]