Cover Image

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: http://purl.fdlp.gov/GPO/gpo73996

Internet

http://purl.fdlp.gov/GPO/gpo73996

CMU Gov Pub Electronic

Call Number: D 1.2:C 88/14