Citations
Papers on the U.S. Naval Observatory, 1931 - 1973, GBR/0180/RGO 16/304. Cambridge University Library. |
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Papers on the U.S. Naval Observatory, 1931 - 1973, GBR/0180/RGO 16/304. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/101911 Accessed November 28, 2024. |