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[null,"1.","Record Nr.",null,"UNINA9910707612603321"]
[null,null,"Autore",null,"Burns Thomas L."]
[null,null,"Titolo",null,"The origins of the National Security Agency, 1940-1952 / / Thomas L. Burns"]
[null,null,"Pubbl/distr/stampa",null,"[Fort George G. Meade, Md.?] : , : National Security Agency, Center for Cryptology History, , 1990"]
[null,null,"Descrizione fisica",null,"1 online resource (vii, 159 pages) : illustrations"]
[null,null,"Collana",null,"United States cryptologic history. Series V, Early postwar period ; ; volume 1"]
[null,null,"Soggetti",null,"Cryptography - United States - History - 20th century"]
[{"$nulls":4},"Cryptography"]
[{"$nulls":4},"History"]
[{"$nulls":4},"United States"]
[null,null,"Lingua di pubblicazione",null,"Inglese"]
[null,null,"Formato",null,"Materiale a stampa"]
[null,null,null,"Livello bibliografico","Monografia"]
[null,null,null,"Note generali","Originally classified as Top Secret. Declassified - minus certain passages - on September 8, 2004."]
[{"$nulls":4},"\"Approved for release by NSA on 03-02-2007, FOIA Case # 51510.\""]
[null,null,null,"Nota di bibliografia","Includes bibliographical references (pages 148-153) and index."]