@Article{acpd-5-11583-2005, AUTHOR = {GarcĂ­a, A. R. and Volkamer, R. and Molina, L. T. and Molina, M. J. and Samuelson, J. and Mellqvist, J. and Galle, B. and Herndon, S. C. and Kolb, C. E.}, TITLE = {Separation of emitted and photochemical formaldehyde in Mexico City using a statistical analysis and a new pair of gas-phase tracers}, JOURNAL = {Atmospheric Chemistry and Physics Discussions}, VOLUME = {5}, YEAR = {2005}, NUMBER = {6}, PAGES = {11583--11615}, URL = {http://www.atmos-chem-phys-discuss.net/5/11583/2005/}, ISSN = {1680-7367} }