Citations
Tabulated data, conversion tables and calculation aids, undated, [1960s-1970s], GBR/0180/RGO 87/99, Box 11: RGO 87/97, 99-112: Series GBR/0180/RGO 87. Cambridge University Library. |
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Tabulated data, conversion tables and calculation aids, undated, [1960s-1970s], GBR/0180/RGO 87/99, Box 11: RGO 87/97, 99-112: Series GBR/0180/RGO 87. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/329031 Accessed May 08, 2025. |