@article{Engelen_2009,<br/><span class="tab"></span> title={Four‐dimensional data assimilation of atmospheric CO2 using AIRS observations},<br/><span class="tab"></span> volume={114},<br/><span class="tab"></span> ISSN={0148-0227},<br/><span class="tab"></span> url={http://dx.doi.org/10.1029/2008jd010739},<br/><span class="tab"></span> DOI={10.1029/2008jd010739},<br/><span class="tab"></span> number={D3},<br/><span class="tab"></span> journal={Journal of Geophysical Research: Atmospheres},<br/><span class="tab"></span> publisher={American Geophysical Union (AGU)},<br/><span class="tab"></span> author={Engelen,<br/><span class="tab"></span> Richard J. and Serrar,<br/><span class="tab"></span> Soumia and Chevallier,<br/><span class="tab"></span> Frédéric},<br/><span class="tab"></span> year={2009},<br/><span class="tab"></span> month=feb }