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100   $a20060314d2005      ua             0
101 0 $aeng
135   $aurmn|---|||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aInformation security$b[electronic resource] $eprogress made, but Federal Aviation Administration needs to improve controls over air traffic control systems : report to congressional requesters
210  1$a[Washington, D.C.] :$cU.S. Government Accountability Office,$d[2005]
215   $ai, 33 pages $cdigital, PDF file
300   $aTitle from title screen (viewed on Feb. 8, 2006).
300   $a"August 2005."
300   $aPaper version available from: U.S. Government Accountability Office, 441 G St., NW, Rm. LM, Washington, D.C. 20548.
300   $a"GAO-05-712."
320   $aIncludes bibliographical references.
517   $aInformation security 
606   $aNational Airspace System (U.S.)$xSecurity measures
606   $aComputer networks$xSecurity measures$zUnited States
615  0$aNational Airspace System (U.S.)$xSecurity measures.
615  0$aComputer networks$xSecurity measures
801  0$bGPO
801  1$bGPO
906   $aBOOK
912   $a9910694847403321
996   $aInformation Security$9771885
997   $aUNINA