Decoding history : the battle of the Atlantic and Ultra

W.J.R. Gardner
Bok · Engelsk · 1999

Utgitt	Annapolis, Md : Naval Institute Press , 1999
Omfang	263 s.
Opplysninger	The German attack on merchant shipping in the Second World War, known as the Battle of the Atlantic, was countered partly by code-breaking intelligence known as Ultra. The dramatic revelation of this factor in the middle 1970s resulted in many works giving this as the most important cause of Allied success.
ISBN	1557501580