TY  - BOOK
AU  - Winkel,Brian J.
TI  - The German Enigma cipher machine
T2  - Artech House computer security
SN  - 1580539963 (alk. paper)
PY  - 2005///
CY  - Boston
PB  - Artech House
KW  - Enigma cipher system
KW  - ULTRA (Intelligence system)
KW  - World War, 1939-1945
KW  - Cryptography
KW  - Electronic intelligence
KW  - Germany
KW  - Great Britain
KW  - Secret service
N1  - Reprints of papers originally published in Cryptologia; Includes bibliographical references
ER  -