W kręgu Enigmy
By: Władysław Kozaczuk.
Edition: Wyd. 1.
Publisher: "Książka i Wiedza"
Published: 1979
Place of publication: Warszawa
Language: pol
Number of pages: 406
Subjects: World War, 1939-1945 -- Cryptography.
Notes: Bibliography: p. 395-[400]
Includes index.