Ronnow, H. M. [P:(DE-HGF)0] ; Regnault, L.-P. [P:(DE-HGF)0] ; Ulrich, C. [P:(DE-HGF)0] ; Keimer, B. [P:(DE-HGF)0] ; Ohl, M. [P:(DE-Juel1)VDB1186] ; Bourges, P. [P:(DE-Juel1)VDB6204]