Citations
Correspondence on magnetic observations, 1946 - 1963, GBR/0180/RGO 9/383. Cambridge University Library. |
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Correspondence on magnetic observations, 1946 - 1963, GBR/0180/RGO 9/383. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/99898 Accessed November 26, 2024. |