Andreae, M. O. Biogeochemistry, Max Planck Institute for Chemistry, Max Planck Society;
Beck, V., Chen, H. L., Gerbig, C., Bergamaschi, P., Bruhwiler, L., Houweling, S., et al. (2012). Methane airborne measurements and comparison to global models during BARCA. Journal of Geophysical Research-Atmospheres, 117: D15310. doi:10.1029/2011JD017345.