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cparry3 documents
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Gardner 1956 Mathematics Magic and Mystery
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Donovan 2004 THE BREAKING OF THE JN25 SERIES OF CIPHERS 1939 – 1945
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Gardner 1995 the New Ambidextrous Universe
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Gardner 1987 Riddles of the Sphinx and Other Mathematical Puzzle Tales
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Gardner 1991 Fractal Music, Hypercards and More
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1977 Cracking a Random Number Generator
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1982 a Basic Probe of the Beale Cipher
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2000 Recovering the Wiring of Enigma's. UMKEHRWALZE A
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2005 Breaking German Army Ciphers
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2006 How I Broke the Confederate Code (137 Years Too Late)
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2011 Operation Stonka. an Ultimate Deception Spy Game
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2012 Location Authentication, Tracking, And Emergency Signaling Through Power Line Communication
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Donovan 2014 Alan Turing, Marshall Hall, And the Alignment of WW2 Japanese Naval Intercepts