TY  - BOOK
AU  - Ball, Desmond
AU  - Horner, David
TI  - Breaking the Codes
SN  - 1864485787
AV  - D810.S7 B3 
PY  - 1999///
CY  - Sydney
PB  - Allen & Unwin (Australia) Pty Ltd
KW  - World War, 1939-1945 - Secret service - Australia
KW  - Espionage, Soviet - Australia - History
KW  - Spies - Australia
N1  - BookData Record
ER  -