Reference:Marland et al. 2003
From Global Warming Art
[Marland, G., T.A. Boden, and R. J. Andres (2003). "Global, Regional, and National CO2 Emissions" in Trends: A Compendium of Data on Global Change. Oak Ridge, Tenn., U.S.A.: Carbon Dioxide Information Analysis Center, Oak Ridge National Laboratory, U.S. Department of Energy.
The following pages on Global Warming Art refer to this reference: