Aerosol particle measurements at three stationary sites in the megacity of Paris during summer 2009: meteorology and air mass origin dominate aerosol particle composition and size distribution

F. Freutel, J. Schneider, F. Drewnick, S. L. von der Weiden-Reinmuller, M. Crippa, A. S. H. Prévôt, U Baltensperger, L. Poulain, A. Wiedensohler, J. Sciare, R. Sarda-Estève, John Burkhart, Sabine Eckhardt, Andreas Stohl, V. Gros, A. Colomb, V. Michoud, JF Doussin, A. Borbon, M. Haeffelin, Y. Morille, M. Beekmann, S. Borrmann