1. Adger, W.N. and K. Brown (1994) Land Use and the Causes of Global Warming. New York, John Wiley and Sons.
2. Barbier, E. (1997) The economic determinants of land degradation in developing countries. Philosophical Transactions of the Royal Society of London. Series B: Biological Sciences, Vol. 352 (1356), pp. 891-899.
3. Barbier, E.B. (2000) Links between economic liberalization and rural resource degradation in the developing regions. Agricultural Economics, Vol. 23 (3), pp. 299-310.
4. Bilsborrow, R.E. and D.L. Carr (2000) Population, agricultural land use and the environment in developing countries. In: D.R. Lee and C.B. Barrett (Eds), Tradeoffs or Synergies? Agricultural Intensification, Economic Development and the Environment. Wallingford, CABI Publishing Company, pp. 35-56.
5. Bowler, I.R., C.R. Bryan and C. Cocklin (2001). Sustainability of Rural Systems: Geographical Perspectives. Dordrecht, Netherlands, Kluwer Academic Publishers.