@Article{acp-5-2691-2005, AUTHOR = {Bruhwiler, L. M. P. and Michalak, A. M. and Peters, W. and Baker, D. F. and Tans, P.}, TITLE = {An improved Kalman Smoother for atmospheric inversions}, JOURNAL = {Atmospheric Chemistry and Physics}, VOLUME = {5}, YEAR = {2005}, NUMBER = {10}, PAGES = {2691--2702}, URL = {http://www.atmos-chem-phys.net/5/2691/2005/}, ISSN = {1680-7316} }