Polskie szyfry 1919-1945
Subtitle: łączność, wywiad wojskowy
By: Krzysztof Leszczyński
Publisher: The Enigma Press
Published: 2019
Place of publication: Mogilany
Language: pol
Number of pages: 338
ISBN-13: 9788395202117
Subjects: Ciphers; Cryptography; Military intelligence; Military Communications; Polish Radio broadcasting