Welsh, Dominic.
Codes and cryptography / Dominic Welsh - Oxford [Oxfordshire] : Clarendon Press ; c1988 - ix, 257 p. ; 24 cm.
Includes index.
Bibliography: p. [243]-252.
0198532873
Ciphers.
Cryptography.
652.8 / WEL
Codes and cryptography / Dominic Welsh - Oxford [Oxfordshire] : Clarendon Press ; c1988 - ix, 257 p. ; 24 cm.
Includes index.
Bibliography: p. [243]-252.
0198532873
Ciphers.
Cryptography.
652.8 / WEL