TY  - BOOK
AU  - Copeland, B. Jack,
CN  - D810.C88
CN  - D810.C88
CY  - Oxford ;
CY  - New York :
DA  - 2006.
ID  - 299938
KW  - Lorenz cipher system.
KW  - World War, 1939-1945
KW  - World War, 1939-1945
KW  - Cryptography
KW  - Cryptography
LK  - http://www.loc.gov/catdir/toc/ecip062/2005030993.html
PB  - Oxford University Press,
PP  - Oxford ;
PP  - New York :
PY  - 2006.
SN  - 019284055X (alk. paper)
T1  - Colossus :the secrets of Bletchley Park's codebreaking computers /
TI  - Colossus :the secrets of Bletchley Park's codebreaking computers /
UR  - http://www.loc.gov/catdir/toc/ecip062/2005030993.html
ER  -