Finessi, E. [P:(DE-HGF)0] ; Descesari, S. [P:(DE-HGF)0] ; Baltensperger, U. [P:(DE-HGF)0] ; Mentel, T. F. [P:(DE-Juel1)16346] ; Facchini, M. C. [P:(DE-HGF)0]