TY - JOUR A1 - Simon, H. A1 - Bhave, P. V. A1 - Swall, J. L. A1 - Frank, N. H. A1 - Malm, W. C. T1 - Determining the spatial and seasonal variability in OM/OC ratios across the US using multiple regression JO - Atmos. Chem. Phys. J1 - ACP VL - 11 IS - 6 SP - 2933 EP - 2949 Y1 - 2011/03/30 PB - Copernicus Publications SN - 1680-7324 UR - http://www.atmos-chem-phys.net/11/2933/2011/ L1 - http://www.atmos-chem-phys.net/11/2933/2011/acp-11-2933-2011.pdf DO - 10.5194/acp-11-2933-2011 ER -