Pierce, J.R. [P:(DE-HGF)0] ; Riipinen, I. [P:(DE-HGF)0] ; Kulmala, M. [P:(DE-HGF)0] ; Ehn, M. [P:(DE-Juel1)144056] ; Petäjä, T. [P:(DE-HGF)0] ; Junninen, H. [P:(DE-HGF)0] ; Worsnop, D.R. [P:(DE-HGF)0] ; Donahue, N.M. [P:(DE-HGF)0]