Kozaczuk, Władysław.

Enigma : the key to the secrets of the Third Reich, 1933-45 / by Władysław Kozaczuk. - Warsaw : Interpress, 1984. - 55 p. ; 21 cm.

Includes bibliographical references (p. 55-[56]).

8322321694


Cryptography--History.--Poland
World War, 1939-1945--Cryptography.
Machine ciphers--History.
Enigma cipher system--History.