Citations
'The development of the Ordnance Survey 1:25 000 scale derived digital map', 1975 - 1977-09, GBR/3296/Maps/CCSA.IM_427_12, IM_427_12. Cambridge University Library. |
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'The development of the Ordnance Survey 1:25 000 scale derived digital map', 1975 - 1977-09, GBR/3296/Maps/CCSA.IM_427_12, IM_427_12. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/239381 Accessed November 14, 2024. |