Citations
Intelligence, British and cryptography, 1980-08, GBR/0014/ROSK 4/52A. Churchill Archives Centre. |
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Intelligence, British and cryptography, 1980-08, GBR/0014/ROSK 4/52A. Churchill Archives Centre. https://archivesearch.lib.cam.ac.uk/repositories/9/archival_objects/472166 Accessed April 25, 2024. |