ULTRA
Subtitle: main series of signals conveying intelligence to Allied Commands based on intercepted radio messages.
Publisher: Public Record Office; Clearwater Pub. Co. [distributor]
Published: 1979
Place of publication: London; New York, N.Y
Language: eng
Format: Microform
Number of pages: 336
Notes: Reels 317-336 distributed by University Publications of America.
Accompanied by reel guide, issued by UPA, with title: ULTRA : secret German messages from World War II.