MPG.eBooks - Description: The cipher disk

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Bibliographic Details
Corporate Author:	United States National Security Agency
Format:	eBook
Language:	English
Published:	[Fort George G. Meade, Md.?] National Security Agency 19--
Subjects:	Ciphers / Fast / (ocolc)fst00861549 Ciphers / Http://id.loc.gov/authorities/subjects/sh85026047 Ciphers / Blmlsh Chiffres (cryptographie) Ciphers (codes) / Aat
Online Access:	https://learning.oreilly.com/library/view/~/011201...
Collection:	O'Reilly - Collection details see MPG.ReNa

Description
Physical Description:	[2] pages