W kre̜gu Enigmy
By: Władysław Kozaczuk.
Edition: Wyd. 2.
Publisher: "Ksia̜żka i Wiedza"
Published: 1986
Place of publication: Warszawa
Language: pol
Number of pages: 443
Subjects: Enigma cipher system.; Machine ciphers.; World War, 1939-1945 -- Cryptography.; World War, 1939-1945 -- Military intelligence.
Notes: Includes bibliographical references (p. 431-[436]) and index.