This practical field manual is designed to teach combat and survival professionals, as well as hobbyists, the basic mechanics of enciphering and deciphering messages. Includes everything from the simplest paper-and-pencil ciphers to state-of-the-art computer systems used by governments and militaries.
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Da: Shadetree Rare Books, Chatham, VA, U.S.A.
Soft cover. Condizione: Very Good. VERY GOOD SOFTCOVER. Codice articolo L5335
Quantità: 1 disponibili
Da: WeBuyBooks, Rossendale, LANCS, Regno Unito
Condizione: Good. Most items will be dispatched the same or the next working day. A copy that has been read but remains in clean condition. All of the pages are intact and the cover is intact and the spine may show signs of wear. The book may have minor markings which are not specifically mentioned. Codice articolo wbs6747568845
Quantità: 1 disponibili