Citations
Nautical Almanac, 1980, 1979, GBR/0180/RGO 180/23. Cambridge University Library. |
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Nautical Almanac, 1980, 1979, GBR/0180/RGO 180/23. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/107915 Accessed May 06, 2025. |