@Article{acpd-6-3997-2006,
AUTHOR = {Johnson, K. S. and de Foy, B. and Zuberi, B. and Molina, L. T. and Molina, M. J. and Xie, Y. and Laskin, A. and Shutthanandan, V.},
TITLE = {Aerosol composition and source apportionment in the Mexico City Metropolitan Area with PIXE/PESA/STIM and multivariate analysis},
JOURNAL = {Atmospheric Chemistry and Physics Discussions},
VOLUME = {6},
YEAR = {2006},
NUMBER = {3},
PAGES = {3997--4022},
URL = {http://www.atmos-chem-phys-discuss.net/6/3997/2006/},
ISSN = {1680-7367}
}