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CD-57 (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "CD-57" in English language version.

refsWebsite
Global rank English rank
2web.archive.org
1st place
1st place
2gemmary.com
low place
low place
1jproc.ca
low place
low place

gemmary.com

  • one website gives the production dates as "1956 and 1957" [1], another website says "first produced in 1957" "Cd-57 Handheld 6-Rotor Cryptographic Machine by Crypto Ag". Archived from the original on March 17, 2006. Retrieved December 9, 2005. .
  • [2] Archived December 29, 2004, at the Wayback Machine

jproc.ca

  • one website gives the production dates as "1956 and 1957" [1], another website says "first produced in 1957" "Cd-57 Handheld 6-Rotor Cryptographic Machine by Crypto Ag". Archived from the original on March 17, 2006. Retrieved December 9, 2005. .

web.archive.org

  • one website gives the production dates as "1956 and 1957" [1], another website says "first produced in 1957" "Cd-57 Handheld 6-Rotor Cryptographic Machine by Crypto Ag". Archived from the original on March 17, 2006. Retrieved December 9, 2005. .
  • [2] Archived December 29, 2004, at the Wayback Machine