TY  - BOOK
AU  - HARRIS Robert
TI  - Voices of the code breakers: personal accounts of the secret heroes of World War II 
SN  - 9780715327197 (pbk) :
PY  - 2008///
CY  - United Kingdom
PB  - David & Charles
KW  - SECOND WORLD WAR
KW  - SIGNALS INTELLIGENCE
KW  - CODE BREAKERS
ER  -