Dils, R. E. (1957). The Coweeta Hydrologic laboratory September 1957. Department of agriculture forest service.
Lua i Stíl Chicago (17ú heag.)Dils, Robert E. The Coweeta Hydrologic Laboratory September 1957. U.S: Department of agriculture forest service, 1957.
Lua MLA (9ú heag.)Dils, Robert E. The Coweeta Hydrologic Laboratory September 1957. Department of agriculture forest service, 1957.
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