Military cryptanalysis
| Main Author: | Friedman, William F. 1891-1969, |
|---|---|
| Other Authors: | United States. Army. Signal Corps, |
| Format: | eBook |
| Language: | English |
| Published: |
Washington :
United States Government Printing Office,
1939-1941.
|
| 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). |
|---|---|
| Physical Description: |
1 online resource (4 volumes) : illustrations. |
| Bibliography: |
Includes bibliographical references and indexes. |