@article{Dufour_2009, title={Global upper-tropospheric formaldehyde: seasonal cycles observed by the ACE-FTS satellite instrument}, volume={9}, ISSN={1680-7324}, url={http://dx.doi.org/10.5194/acp-9-3893-2009}, DOI={10.5194/acp-9-3893-2009}, number={12}, journal={Atmospheric Chemistry and Physics}, publisher={Copernicus GmbH}, author={Dufour, G. and Szopa, S. and Barkley, M. P. and Boone, C. D. and Perrin, A. and Palmer, P. I. and Bernath, P. F.}, year={2009}, month=jun, pages={3893–3910} }