TY  - BOOK
AU  - Brzeski,Rafal
TI  - Purpurowy kod
T2  - Kulisy wywiadu i kontrwywiadu
SN  - 8311084432
PY  - 1995///
CY  - Warszawa
PB  - Wydawn. Bellona
KW  - Intelligence Service
KW  - United States
KW  - Espionage
N2  - An history of the intelligence service of the United States and its role in deciphering the Japanese code during World War II
ER  -