Citations
Ordnance Survey information paper 3/1990. The use of satellites to produce a new national control network, 1990-04, GBR/3296/Maps/CCSA.OS_329_110, OS_329_110. Cambridge University Library. |
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Ordnance Survey information paper 3/1990. The use of satellites to produce a new national control network, 1990-04, GBR/3296/Maps/CCSA.OS_329_110, OS_329_110. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/244534 Accessed April 26, 2025. |