Military cryptanalysis
Main Author: | Friedman, William F. 1891-1969, |
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Other Authors: | United States. Army. Signal Corps, |
Format: | eBook |
Language: | English |
Published: |
Washington :
United States Government Printing Office,
1939-1941.
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Physical Description: |
1 online resource (4 volumes) : illustrations. |
Subjects: | |
Online Access: |
https://purl.fdlp.gov/GPO/gpo73996 |
Item Description: |
Includes bibliographical references and indexes. At head of title: War Department. Office of the Chief Signal Officer, Washington. "Prepared under the direction of the Chief Signal Officer." "Declassified and approved for release by NSA on 09-19-2005 pursuant to E.O. 12958, as amended." Formerly restricted. GPO Cataloging Record Distribution Program (CRDP). |
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Physical Description: |
1 online resource (4 volumes) : illustrations. |
Bibliography: |
Includes bibliographical references and indexes. |