TY - BOOK AU - Budiansky,Stephen TI - Code warriors: NSA's codebreakers and the secret intelligence war against the Soviet Union SN - 9780385352666 AV - UB256.U6 B83 2016 U1 - 327.7304709/045 23 PY - 2016///] CY - New York PB - Alfred A. Knopf KW - United States KW - National Security Agency KW - History KW - Cryptography KW - Foreign relations KW - Soviet Union N1 - Includes bibliographical references (pages 359-372) and index ER -