Speech and Facsimile Scrambling and Decoding; A Basic Text on Speech Scrambling . Etc. (A Cryptographic Series)
Sold by Jeff Stark, Barstow, CA, U.S.A.
AbeBooks Seller since June 30, 2003
Used - Soft cover
Condition: Used - Fine
Ships within U.S.A.
Quantity: 1 available
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