TY  - BOOK
AU  - Deavours,Cipher A.
TI  - Cryptology yesterday, today and tomorrow
SN  - 0890062536
PY  - 1987///
CY  - Norwood, Mass.
PB  - Artech House
KW  - Cryptography
KW  - Ciphers
N1  - Continued by : Cryptology, machines, history, and methods
ER  -