Enigma
Enigma
Nekoliko linkova o poznatoj - Enigmi.
Wikipedia: Enigma machine - http://en.wikipedia.org/wiki/Enigma_machine
Hrvoje Čavrak: Enigma - http://e.math.hr/enigma/index.html
Enigmaco.de: Simulacija Enigme - http://enigmaco.de/index-enigma.html