Suciu, N. [P:(DE-HGF)0] ; Vamos, C. [P:(DE-HGF)0] ; Radu, F.A. [P:(DE-HGF)0] ; Vereecken, H. [P:(DE-Juel1)129549] ; Knabner, P. [P:(DE-Juel1)VDB77302]