@article{Dufour_2009, doi = {10.5194/acp-9-3893-2009}, url = {https://doi.org/10.5194%2Facp-9-3893-2009}, year = 2009, month = {jun}, publisher = {Copernicus {GmbH}}, volume = {9}, number = {12}, pages = {3893--3910}, author = {G. Dufour and S. Szopa and M. P. Barkley and C. D. Boone and A. Perrin and P. I. Palmer and P. F. Bernath}, title = {Global upper-tropospheric formaldehyde: seasonal cycles observed by the {ACE}-{FTS} satellite instrument}, journal = {Atmospheric Chemistry and Physics} }