Secret & Urgent

The Story of Codes & Ciphers (Cryptographic Series)

by

Paperback, 284 pages

English language

Published April 19, 1996 by Aegean Park Press.

ISBN:
978-0-89412-261-3
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OCLC Number:
36653054

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3 editions

Subjects

  • Military - Intelligence/Espionage
  • Reference
  • History
  • History - Military / War
  • History: World