1. Benke, A. C., 1990. A perspective on America's vanishing streams. J. North Amer. Benthol. Soc. 9: 77–88.
2. Cairns, J.Jr. & K. L. Dickson, 1977. Elasticity, inertia, and resiliency of water ecosystems. In: R. Soltero (ed.), Proceedings of the Symposium on Terrestrial and Aquatic Ecological Studies of the Northwest, pp. 371–382. Eastern Washington State College Press, Cheney, Washington.
3. Cairns, J.Jr., J. S. Crossman, K. L. Dickson & E. E. Herricks, 1973. The effects of major industrial spills upon stream organisms. Proc. the 26th Ann. Purdue Industrial Waste Conf., Purdue Univ. Engin. Bull. 140: 156–170.
4. Council on Environmental Quality, 1989. Environ. Trends, Washington, D.C.
5. Ehrlich, P. R., 1968. The Population Bomb. Ballantine Books, New York. 223 pp.