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Koshland, Daniel E., Jr. Biotechnology: The Renewable Frontier. Washington, DC: Westview Press, 1986.
Flavivirus
Boyle, Godfrey, Ed. Renewable Energy: Power for a Sustainable Future. New York: Oxford University Press, 1996.
Geothermal Energy
Boyle, Godfrey, Ed. Renewable Energy: Power for a Sustainable Future. New York: Oxford University Press, 1996.
Geothermal Energy
Williams, R. (2002, March 22) "Renewable energy sources for development." Environmental Law. Retrieved 20 February 2005 from Highbeam Research, http://www.highbeam.com.
U.S. Energy Policy
Wielgat, Andrea. "Fill 'er up: alternative fuel trends lean toward renewable and immediate." Automotive Industries. May, 2003. http://www.findarticles.com/cf_0/m3012/5_183/101939322/p1/article.jhtml
Alternative Fuel
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