Volz-Thomas, A. [P:(DE-Juel1)6742] ; Thomas, K. [P:(DE-HGF)0] ; Pätz, H.-W. [P:(DE-Juel1)16214] ; Schultz, M. G. [P:(DE-HGF)0] ; Thouret, V. [P:(DE-HGF)0] ; Nédélec, P. [P:(DE-HGF)0]