Citations
Astronomical Ephemeris, 1970, 1968, GBR/0180/RGO 29/12. Cambridge University Library. |
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Astronomical Ephemeris, 1970, 1968, GBR/0180/RGO 29/12. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/103036 Accessed July 05, 2025. |