TY  - BOOK
AU  - Churchhouse,R.F.
ED  - ebrary, Inc.
TI  - Codes and ciphers: Julius Caesar, the Enigma, and the internet 
AV  - Z103 .C48 2002eb
U1  - 652/.8 21
PY  - 2002///
CY  - Cambridge, New York
PB  - Cambridge University Press
KW  - Cryptography
KW  - Ciphers
KW  - Electronic books
KW  - local
N1  - Includes bibliographical references and indexes; Electronic reproduction; Palo Alto, Calif.; ebrary; 2009; Available via World Wide Web; Access may be limited to ebrary affiliated libraries
UR  - http://site.ebrary.com/lib/strathmore/Doc?id=10001842
ER  -