T. D. Searchinger, S. P. Hamburg, J. Melillo, W. Chameides, P. Havlik, D. M. Kammen, G. E. Likens, R. N. Lubowski, M. Obersteiner, M. Oppenheimer, G. Philip Robertson, W. H. Schlesinger, G. David Tilman,
Fixing a critical climate accounting error Science. ,vol. 326, pp. 527- 528 ,(2009) ,
10.1126/SCIENCE.1178797