Não informado. (1973). Geodesy, Mapping and Photogrammetry. American Geophysical Union.
Lua i Stíl Chicago (17ú heag.)Não informado. Geodesy, Mapping and Photogrammetry. Washington: American Geophysical Union, 1973.
Lua MLA (8ú heag.)Não informado. Geodesy, Mapping and Photogrammetry. American Geophysical Union, 1973.
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