Não informado. (1959). Geodesy and Cartography. American Geophysical Union.
Lua i Stíl Chicago (17ú heag.)Não informado. Geodesy and Cartography. Washington: American Geophysical Union, 1959.
Lua MLA (8ú heag.)Não informado. Geodesy and Cartography. American Geophysical Union, 1959.
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