Citations
Thomas Johnstone on simplifying lunar observations, 1811, GBR/0180/RGO 14/34: 156-159. Cambridge University Library. |
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Thomas Johnstone on simplifying lunar observations, 1811, GBR/0180/RGO 14/34: 156-159. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/109998 Accessed April 26, 2024. |