Citations
Tabulated data from the Allegheny 30-inch Refractor, 1930 - 1931, GBR/0180/RGO 81/33. Cambridge University Library. |
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Tabulated data from the Allegheny 30-inch Refractor, 1930 - 1931, GBR/0180/RGO 81/33. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/107424 Accessed December 05, 2024. |