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3. Calleo, David. 1982. The imperious economy. Cambridge, MA: Harvard University Press.
4. Chace, James. 1981. Solvency: The price of survival. New York: Random House.
5. Cloud, David S. 2012. Defense budget plan would cut spending by half a trillion. Los Angeles Times. http://articles.latimes.com/2012/jan/26/nation/la-na-defense-spending-cuts-20120127 . Zugegriffen am 11.12.2013.