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Seizing the Enigma

by - Kahn, David
The Race to Break the German U-Boat Codes, 1939-1943 (1991, Houghton Mifflin Company, Boston)
ISBN 0395427398
Hardcover, 337 pages, 39 b&w photos, 5 maps
Description: This book is one of the most complete, that I have found, in discussing the many aspects of the Enigma machine and also the operation of the codes th ...
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