Citations
Ordnance Survey : consultative papers 1978, OS 78/4 : options on digital mapping, 1978-09, GBR/3296/Maps/CCSA.IM_397_12, IM_397_12. Cambridge University Library. |
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Ordnance Survey : consultative papers 1978, OS 78/4 : options on digital mapping, 1978-09, GBR/3296/Maps/CCSA.IM_397_12, IM_397_12. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/239046 Accessed September 23, 2024. |