Citations
Field astronomy. The astro fix by position lines, 1963, GBR/3296/Maps/CCSA.FJ_203_5/10, FJ_203_5/10. Cambridge University Library. |
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Field astronomy. The astro fix by position lines, 1963, GBR/3296/Maps/CCSA.FJ_203_5/10, FJ_203_5/10. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/238822 Accessed November 13, 2024. |