1. Biswas, A. K. (1983). ?Shared Natural Resources: Future Conflicts or Peaceful Development?? In: R. J. Dupuy (ed.), Settlement of Disputes on the New Natural Resources, pp. 197?215. The Hague: Martinus Nijhoff.
2. Blackwelder, B., B. L. Harding and T. Colborn (1987). ?Alternatives to Traditional Water Development in the United States?, Ambio 16, 1: 32?37.
3. Budyko, M. I. (1977). Climatic Changes. Translation by the American Geophysical Union Baltimore: Waverley Press, Inc.
4. Cooley, J. K. (1984). ?War over Water?, Foreign Policy 54: 3?26.
5. Falkenmark, M. (1986). Fresh Waters as a Factor in Strategic Policy and Action. In: A. H. Westing (ed.), Global Resources and International Conflict: Environmental Factors in Strategic Policy and Action, pp. 85?113. New York: Oxford University Press.