It wasn't all magic
Subtitle: the early struggle to automate cryptanalysis, 1930s-1960s
By: Colin B. Burke
Contributors: United States. National Security Agency/Central Security Service. Center for Cryptologic History
Series: United States cryptologic history -- Special series -- volume 6; United States cryptologic history -- no. 6
Publisher: Center for Cryptologic History, National Security Agency
Published: 2002
Place of publication: Fort Meade, Md.
Language: eng
Number of pages: 344
Subjects: Cryptography; Automation; History; United States. National Security Agency
Other titles: Early struggle to automate cryptanalysis, 1930s-1960s
Notes: Title from title screen (viewed Nov. 19, 2013).

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Includes bibliographical references and index.