(1927). Azimuths of the sun: For latitudes extending to 70 degrees from the equator / U.S. Hydrographic Office.
Chicago-čujuhus (17. p.)Azimuths of the Sun: For Latitudes Extending to 70 Degrees from the Equator / U.S. Hydrographic Office. 1927.
MLA-čujuhus (9. p.)Azimuths of the Sun: For Latitudes Extending to 70 Degrees from the Equator / U.S. Hydrographic Office. 1927.
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