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Code wars : how 'Ultra' and 'Magic' led to Allied victory

Jackson, John2011
Books
When the top secret codebreaking activities at Bletchley Park were revealed in the 1970s, much of the history of the Second World War had to be rewritten. 'Code Wars' examines the role of ULTRA (the intelligence derived from breaking secret enemy signals) on major events of the Second World War.
Imprint:
Barnsley : Pen & Sword Military, 2011.
Collation:
216 p., [16] p. of plates : ill., ports. ; 24 cm.
Notes:
Includes bibliographical references and index.
ISBN:
9781848845107 (hbk)
Dewey class:
940.5'48641940.5'486'41940.548641
Language:
English
BRN:
1357189
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