Codes and ciphers
Wrixon, Fred B.
Codes and ciphers Wrixon, Fred B. - New York,USA: Prentice-Hall General Reference, 1992 - 260 p.
EN
9780132770477
Cryptography
RCC 652.8 / WRI-C
Codes and ciphers Wrixon, Fred B. - New York,USA: Prentice-Hall General Reference, 1992 - 260 p.
EN
9780132770477
Cryptography
RCC 652.8 / WRI-C
