TY  - BOOK
AU  - Kozaczuk,Władysław
AU  - Straszak, Jerzy
TI  - Enigma: how the Poles broke the nazi code 
PY  - 2004///
CY  - New York
PB  - Hippocrene Books
KW  - World War, 1939-1945 -- Cryptography
KW  - Enigma
N1  - History
ER  -