Aerosol decadal trends - Part 2: In-situ aerosol particle number concentrations at GAW and ACTRIS stations

A. Asmi, M. Collaud Coen, J.A. Ogren, E. Andrews, P. Sheridan, A Jefferson, E Weingartner, U Baltensperger, N. Bukowiecki, H. Lihavainen, N. Kivekäs, E. Asmi, P. P. Aalto, M. Kulmala, A. Wiedensohler, W. Birmili, A. Hamed, C O'Dowd, S.G. Jennings, R. Weller, H. Flentje, Ann Mari Fjæraa, Markus Fiebig, Cathrine Lund Myhre, A.G. Hallar, E. Swietlicki, A. Kristensson, P. Laj