@Article{acpd-7-1421-2007, AUTHOR = {Marley, N. A. and Gaffney, J. S. and Ramos-Villegas, R. and Cárdenas González, B.}, TITLE = {Comparison of measurements of peroxyacyl nitrates and primary carbonaceous aerosol concentrations in Mexico City determined in 1997 and 2003}, JOURNAL = {Atmospheric Chemistry and Physics Discussions}, VOLUME = {7}, YEAR = {2007}, NUMBER = {1}, PAGES = {1421--1448}, URL = {http://www.atmos-chem-phys-discuss.net/7/1421/2007/}, ISSN = {1680-7367} }