1. R. G. Bailey, "Explanatory supplement to ecoregions map of the continents," Environ. Conserv. 16, 307-9 (1989) 10.1017/S0376892900009711
2. R. G. Bailey and H. C. Hogg, "A world ecoregions map for resource reporting," Environ. Conserv. 13, 195-202 (1986) 10.1017/S0376892900036237
3. D. M. Olson, E. Dinerstein, E. D. Wikramanayake, N. D. Burgess, G. V. N. Powell, E. C. Underwood, J. A. D'amico, I. Itoua, H. E. Strand, J. C. Morrison, C. J. Loucks, T. F. Allnutt, T. H. Ricketts, Y. Kura, J. F. Lamoreux, W. W. Wettengel, P. Hedao, and K. R. Kassem, "Terrestrial ecoregions of the world: a new map of life on Earth," BioScience 51, 933-938 (2001) 10.1641/0006-3568(2001)051[0933:TEOTWA]2.0.CO;2
4. L. S. Heath, P. E. Kauppi, P. Burschel, H.-D. Gregor, R. Guderian, G. H. Kohlmaier, S. Lorenz, D. Overdieck, F. Scholz, H. Thomasius, and M. Weber, "Contribution of temperate forests to the world's carbon budget," Water Air Soil Poll. 70, 55-69 (1993) 10.1007/BF01104988
5. R. A. Houghton, "Aboveground forest biomass and the global carbon balance," Global Change Biol. 11, 945-58 (2005) 10.1111/j.1365-2486.2005.00955.x