Lettau, H. H. (1968). Studies of effects of boundary modification in problems of small area meteorology: Annual reports 1966-1967. United States Army Electronics Command, Atmospherics Sciences Laboratory.
Lua i Stíl Chicago (17ú heag.)Lettau, Heinz H. Studies of Effects of Boundary Modification in Problems of Small Area Meteorology: Annual Reports 1966-1967. Fort Huachuca, Ariz.: United States Army Electronics Command, Atmospherics Sciences Laboratory, 1968.
Lua MLA (8ú heag.)Lettau, Heinz H. Studies of Effects of Boundary Modification in Problems of Small Area Meteorology: Annual Reports 1966-1967. United States Army Electronics Command, Atmospherics Sciences Laboratory, 1968.
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