Determining the spatial and seasonal variability in OM/OC ratios across the US using multiple regression

Simon, H., P. V. Bhave, J. L. Swall, N. H. Frank, and W. C. Malm (2011), Determining the spatial and seasonal variability in OM/OC ratios across the US using multiple regression, Atmos. Chem. Phys., 11, 2933-2949.