1. Fresh Water-Time for a Modified Approach;Falkenmark;Ambio,1986
2. Jack A. Goldstone, "Resource Depletion and the State," unpublished paper delivered at the Academy of Arts and Sciences Conference on the environment, resources depletion, and conflict, Washington, D.C., May 11-12, 1992
3. and Revolution and Rebellion in the Early Modern World, University of California, 1991, Introduction and Chapters 1 and 2.
4. Falkenmark, “Fresh Water,” 196.
5. Harold and Margaret Sprout, “Environmental Factors in the Study of International Politics,”International Politics and Foreign Policy, ed. James N. Rosenau, New York, 1969, 41–56;