TY - JOUR A1 - Garcia, A. R. A1 - Volkamer, R. A1 - Molina, L. T. A1 - Molina, M. J. A1 - Samuelson, J. A1 - Mellqvist, J. A1 - Galle, B. A1 - Herndon, S. C. A1 - Kolb, C. E. T1 - Separation of emitted and photochemical formaldehyde in Mexico City using a statistical analysis and a new pair of gas-phase tracers JO - Atmos. Chem. Phys. J1 - ACP VL - 6 IS - 12 SP - 4545 EP - 4557 Y1 - 2006/10/09 PB - Copernicus Publications SN - 1680-7324 UR - http://www.atmos-chem-phys.net/6/4545/2006/ L1 - http://www.atmos-chem-phys.net/6/4545/2006/acp-6-4545-2006.pdf DO - 10.5194/acp-6-4545-2006 ER -