1. Schlesinger, W. H., Carbon sequestration in soils, Science, 1999, 284: 2095
2. Copley, J., Ecology goes underground, Nature, 2000, 406: 452–454.
3. Caldwell, M. M., Pearcy, R. W., Exploitation of Environmental Heterogeneity by Plants: Ecophysiological Processes Above and Below Ground, San Diego: Academic Press, 1994.
4. Rice, C. W., Rodd, T. C., Blair, J. M. et al., Belowground biology and processes, in Grassland Dynamics, Long-Term Ecological Research in Tallgrass Prairie (eds. Knapp, A. K., Briggs, J. M., Hartnett, D. C. et al.), Oxford: Oxford University Press, 1998, 244–264.
5. Bazzaz, F. A., Plant in Changing Environments: Linking Physiological, Population, and Community Ecology, Cambridge: Cambridge University Press, 1996.