Citations
'Provisional specifications for the pictomap', 1966-02, GBR/3296/Maps/CCSA.IM_500_4, IM_500_4. Cambridge University Library. |
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'Provisional specifications for the pictomap', 1966-02, GBR/3296/Maps/CCSA.IM_500_4, IM_500_4. Cambridge University Library. https://archivesearch.lib.cam.ac.uk/repositories/2/archival_objects/240000 Accessed May 14, 2025. |