TY  - BOOK
AU  - Budiansky, Stephen
TI  - Battle of wits : the complete story of codebreaking in world war II
SN  - 9780743217347
U1  - 940.5485 BUD 
PY  - 2000///
CY  - New York
PB  - Free Press
KW  - World War, 1939-1945 - Cryptography
ER  -