سيمنز وهالسكه ت 52 - ويكيبيديا
المصادر. Donald W. Davies, The Siemens and Halske T52e Cipher Machine (reprinted in Cryptology: Yesterday, Today and Tomorrow, Artech House, Norwood, 1987); Donald W. Davies, The Early Models of the Siemens and Halske T52 Cipher Machine (also reprinted in Cryptology: Yesterday, Today and Tomorrow) Donald W. Davies, New Information on the History of the Siemens and Halske T52 Cipher ...
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