Great Britain. Nautical Almanac Office. (1933). Planetary co-ordinates for the years 1800-1940 referred to the equinox of 1950-0. H.M. Stationery off. [printed by C. Tinling & co., ltd].
MLA CitationGreat Britain. Nautical Almanac Office. Planetary Co-ordinates for the Years 1800-1940 Referred to the Equinox of 1950-0. H.M. Stationery off. [printed by C. Tinling & co., ltd], 1933.
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