Citations
The nautical almanac 1981, 1981, GBR/3296/Maps/CCSA.BWA_368_1, BWA_368_1. Cambridge University Library. |
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The nautical almanac 1981, 1981, GBR/3296/Maps/CCSA.BWA_368_1, BWA_368_1. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/236143 Accessed November 14, 2024. |