Millet, Dylan B., Jacob, Daniel J., Boersma, K. Folkert, Fu, Tzung May, Kurosu, Thomas P., Chance, Kelly V., Heald, Colette L., and Guenther, Alex. 2008. "Spatial distribution of isoprene emissions from North America derived from formaldehyde column measurements by the OMI satellite sensor." Journal of Geophysical Research. D. Atmospheres, 113 02307.