Citations
Comparisons of north polar distances, 1878 - 1879, GBR/0180/RGO 6/199. Cambridge University Library. |
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Comparisons of north polar distances, 1878 - 1879, GBR/0180/RGO 6/199. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/98390 Accessed April 26, 2024. |