Primary and secondary organic aerosol origin by combined gas-particle phase source apportionment
M. Crippa, F. Canonaco, J. Slowik, I. Haddad, P. DeCarlo, C. Mohr, M. Heringa, R. Chirico, N. Marchand, B. Temime‐Roussel, E. Abidi, L. Poulain, A. Wiedensohler, U. Baltensperger, A. Prévôt