Editing Enigma machine (section)

== Further reading ==
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* {{Cite book |first=Richard James |last=Aldrich |title=GCHQ: The Uncensored Story of Britain's Most Secret Intelligence Agency |url={{google books |plainurl=y |id=4I2PmCtrHOgC}} |year=2010 |publisher=HarperPress |isbn=978-0-00-727847-3 }}
* {{Cite book |first=Gustave |last=Bertrand |title=Enigma: ou, La plus grande énigme de la guerre 1939–1945 |url={{google books |plainurl=y |id=o2UNAAAAIAAJ}} |year=1973 |publisher=Plon }}
* {{Cite book |first=Peter |last=Calvocoressi |author-link=Peter Calvocoressi |title=Top Secret Ultra |url={{google books |plainurl=y |id=qxiHPwAACAAJ |page=98}} |pages=98–103 |year=2001 |publisher=M & M Baldwin |isbn=978-0-947712-41-9 }}
* {{Cite web |last=Grime |first=James |title=The Enigma Flaw |url=http://www.numberphile.com/videos/enigma_flaw.html |work=Numberphile |publisher=[[Brady Haran]] |access-date=7 April 2013 |archive-url=https://web.archive.org/web/20130330065120/http://www.numberphile.com/videos/enigma_flaw.html |archive-date=30 March 2013 |url-status=dead }}
* Heath, Nick, [http://www.techrepublic.com/article/the-women-who-helped-crack-nazi-codes-at-bletchley-park Hacking the Nazis: The secret story of the women who broke Hitler's codes] TechRepublic, 27 March 2015
* {{Cite book |first=John |last=Herivel |author-link=John Herivel |title=Herivelismus: And the German Military Enigma |url={{google books |plainurl=y |id=voM0QwAACAAJ}} |year=2008 |publisher=M & M Baldwin }}
* {{Cite book |first=John |last=Keen |title=Harold 'Doc' Keen and the Bletchley Park Bombe |url={{google books |plainurl=y |id=tfq7MQEACAAJ}} |date=1 August 2012 |publisher=M & M Baldwin |isbn=978-0-947712-48-8 }}
* {{Cite book |first=Christine |last=Large |title=Hijacking Enigma: The Insider's Tale |url={{google books |plainurl=y |id=jAkiAQAAIAAJ}} |date=6 October 2003 |publisher=Wiley |isbn=978-0-470-86346-6 }}
* Marks, Philip. "Umkehrwalze D: Enigma's Rewirable Reflector&nbsp;— Part I", ''Cryptologia'' 25(2), April 2001, pp.&nbsp;101–141.
* Marks, Philip. "Umkehrwalze D: Enigma's Rewirable Reflector&nbsp;— Part II", ''Cryptologia'' 25(3), July 2001, pp.&nbsp;177–212.
* Marks, Philip. "Umkehrwalze D: Enigma's Rewirable Reflector&nbsp;— Part III", ''Cryptologia'' 25(4), October 2001, pp.&nbsp;296–310.
* {{Cite book |last=Paillole |first=Paul |title=Notre espion chez Hitler |trans-title=Our Spy with Hitler |language=fr |publisher=Robert Laffont |year=1985}}
* {{Cite book |title=Inside ENIGMA |author=Perera, Tom |year=2010 |isbn=978-1-905086-64-1 |publisher=[[Radio Society of Great Britain]] |location=Bedford, UK}}
* Perera, Tom. ''The Story of the ENIGMA: History, Technology and Deciphering'', 2nd Edition, CD-ROM, 2004, Artifax Books, {{ISBN|1-890024-06-6}} [http://w1tp.com/enigma/ecds.htm sample pages]
* Rebecca Ratcliff: Searching for Security. The German Investigations into Enigma's security. In: Intelligence and National Security 14 (1999) Issue 1 (Special Issue) S. 146–167.
* {{Cite book |title=The German Enigma Cipher Machine: Beginnings, Success, and Ultimate Failure |editor-last1=Winkel |editor-first1=Brian J. |editor-last2=Deavours |editor-first2=Cipher A. |editor-last3=Kahn |editor-first3=David |editor-last4=Kruh |editor-first4=Louis |chapter=How Statistics Led the Germans to Believe Enigma Secure and Why They Were Wrong: Neglecting the Practical Mathematics of Cipher Machines |last=Ratcliff |first=Rebecca A. |publication-date=2005 |publisher=Artech House |isbn=978-1-58053-996-8 |lccn=2005042000 |oclc=57531456 |url={{google books |plainurl=y |id=1eVOAAAAMAAJ}}}}
* [[Marian Rejewski|Rejewski, Marian]]. [http://chc60.fgcu.edu/images/articles/rejewski.pdf "How Polish Mathematicians Deciphered the Enigma"] {{Webarchive|url=https://web.archive.org/web/20111004194534/http://chc60.fgcu.edu/images/articles/rejewski.pdf |date=4 October 2011 }}, ''Annals of the History of Computing 3'', 1981. This article is regarded by [[Andrew Hodges]], Alan Turing's biographer, as "the definitive account" (see Hodges' ''[[Alan Turing: The Enigma]]'', Walker and Company, 2000 paperback edition, p.&nbsp;548, footnote 4.5).
* {{Cite journal |last=Quirantes |first=Arturo |title=Model Z: A Numbers-Only Enigma Version |journal=Cryptologia |volume=28 |issue=2 |date=April 2004 |doi=10.1080/0161-110491892845 |pages=153–156 |s2cid=44319455}}
* {{Cite book |first=Hugh |last=Sebag-Montefiore |author-link=Hugh Sebag-Montefiore |title=Enigma: The Battle for the Code |year=2011 |publisher=Orion |isbn=978-1-78022-123-6}}
* Ulbricht, Heinz. Enigma Uhr, ''Cryptologia'', 23(3), April 1999, pp.&nbsp;194–205.
* {{Cite book |last=Turing |first=Dermot |author1-link=Dermot Turing |title=[[X, Y & Z: The Real Story of How Enigma Was Broken]] |publisher=History Press |location=Gloustershire England |year=2018 |isbn=978-0-7509-8782-0 |oclc=1029570490}}
* {{Cite book |first=F. W. |last=Winterbotham |title=The Ultra Secret |year=1999 |publisher=Weidenfeld & Nicolson |isbn=978-0-297-64405-7}}
* [https://web.archive.org/web/20051118083351/http://news.mod.uk/news/press/news_headline_story.asp?newsItem_id=3339 Untold Story of Enigma Code-Breaker — The Ministry of Defence (U.K.) ]
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