Citations
Ordnance Survey professional papers : new series no 21. Geodetic measurements across the English Channel 1963, 1971, GBR/3296/Maps/CCSA.FJ_203_2, FJ_203_2. Cambridge University Library. |
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Ordnance Survey professional papers : new series no 21. Geodetic measurements across the English Channel 1963, 1971, GBR/3296/Maps/CCSA.FJ_203_2, FJ_203_2. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/238810 Accessed November 14, 2024. |