West TO, Marland G, Singh N, Bhaduri BL, Roddy AB (2009)
The human carbon budget: An estimate of the spatial distribution of metabolic carbon consumption and release in the United States
Biogeochemistry, 94(1):29-41 (May 2009) More
Nelson RG, Hellwinckel CM, Brandt CC, West TO, De La Torre Ugarte DG, Marland G (2009)
Energy use and carbon dioxide emissions from cropland production in United States, 1990-2004
Journal of Environmental Quality, 38(2):418-425 (March-April 2009) More