@Article{acpd-8-6469-2008,
AUTHOR = {Napelenok, S. L. and Pinder, R. W. and Gilliland, A. B. and Martin, R. V.},
TITLE = {A method for evaluating spatially-resolved NO$_{x}$ emissions using Kalman filter inversion, direct sensitivities, and space-based NO$_{2}$ observations},
JOURNAL = {Atmospheric Chemistry and Physics Discussions},
VOLUME = {8},
YEAR = {2008},
NUMBER = {2},
PAGES = {6469--6499},
URL = {http://www.atmos-chem-phys-discuss.net/8/6469/2008/},
DOI = {10.5194/acpd-8-6469-2008}
}