Citations
Royal Greenwich Observatory, 1972 - 1979, GBR/0180/RGO 13/1. Cambridge University Library. |
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Royal Greenwich Observatory, 1972 - 1979, GBR/0180/RGO 13/1. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/101296 Accessed April 23, 2024. |