BOROWSKA, A.; RZESZUTKO, E. The Cryptanalysis of the Enigma Cipher. The Plugboard and the Cryptologic Bomb. Computer Science, [S. l.], v. 15, n. 4, p. 365, 2014. DOI: 10.7494/csci.2014.15.4.365. Disponível em: https://journals.agh.edu.pl/csci/article/view/1175. Acesso em: 3 may. 2024.