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2. Barry Commoner,The Closing Circle, New York: Knopf, 1971.
3. A. S. Eddington,The Nature of the Physical World, New York: Macmillan, 1929.
4. Nicholas Georgescu-Roegen,Analytical Economics: Issues and Problems, Cambridge, Mass.: Harvard University, 1966.
5. _____,The Entropy Law and the Economic Process, Cambridge, Mass.: Harvard University, 1971.