Powell, F. <br/><br/>
Ultra and the Army Air Forces in world war 11 

 - Washington  U.S. Air Force  1987 
 - XXI, 197 
 - 0 912799 45 5 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Judges - United States - interviws<br/>Powell,Lewis F.1907 - interviws<br/>Putney, Diane 1949<br/>United States<br/>world War 1939 - 1945 - Electronic intelligence - United States<br/>World War, 1939 - 1945 Cryptography<br/>World War, 1939 - 1945 Cryptography
<br/><br/><label>Dewey Class. No.: </label>940.54'86'73  / P58