Citations
'The development of the Ordnance Survey 1:25 000 scale derived digital map', 1977-09, GBR/3296/Maps/CCSA.IM_530_6, IM_530_6. Cambridge University Library. |
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'The development of the Ordnance Survey 1:25 000 scale derived digital map', 1977-09, GBR/3296/Maps/CCSA.IM_530_6, IM_530_6. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/240333 Accessed November 15, 2024. |