@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/},
DOI = {10.5194/acp-5-2691-2005}
}