Information and secrecy : Vannevar Bush, Ultra, and the other Memex /
Burke, Colin B.,1936-
Metuchen, N.J. ; London : Scarecrow Press,
c1994.
Includes bibliographical references and index.
Burke, Colin B., 1936-
Cryptography equipment industry
Electronic analog computers
World War, 1939-1945
Information scientists
Information science