Casalegno, V. [P:(DE-HGF)0] ; Vavassori, P. [P:(DE-HGF)0] ; Valle, M. [P:(DE-HGF)0] ; Ferraris, M. [P:(DE-HGF)0] ; Salvo, M. [P:(DE-HGF)0] ; Pintsuk, G. [P:(DE-Juel1)VDB5612]