1. Baker, D. E, Law, R. M., Gurney, K. R., Rayner, P., Peylin, P. and co-authors. 2006. TransCom 3 inversion intercomparison: impact of transport model errors on the interannual variability of regional CO2 fluxes, 1988-2003. Glob. Biogeochem. Cycle 20,17.
2. Inverse modelling of national and European CH<sub>4</sub> emissions using the atmospheric zoom model TM5
3. Bousquet, R, Peylin, R, Ciais, P., Le Quere, C., Friedlingstein, P. and co-authors. 2000. Regional changes in carbon dioxide fluxes of land and oceans since 1980. Science 290, 1342-1346.
4. Campbell, J. E., Carmichael, G. R., Tang, Y., Chai, T., Vay, S. A. and co-authors. 2007. Analysis of anthropogenic CO2 signal in ICARTT using a regional chemical transport model and observed tracers. Tellus B 59, 199-210.
5. Draxler, R. R. and Rolph, G. D. 2003. HYSPLIT (HYbrid Single-Particle Lagrangian Integrated Trajectory) Model access via NOAA ARL READY Website (http://www.arl.noaa.gov/ready/hysplit4.html). NOAA Air Resources Laboratory, Silver Spring, MD.