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210   $aLeipzig$cVerlag von Engelmann$d1903
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200 10$aCybersecurity$b[electronic resource] $echallenges in securing the electricity grid : testimony before the Committee on Energy and Natural Resources, U.S. Senate /$fstatement of Gregory C. Wilshusen
210  1$a[Washington, D.C.] :$cU.S. Govt. Accountability Office,$d[2012]
215   $a1 online resource (21 pages) $cillustrations
225 1 $aTestimony ;$vGAO-12-926T
300   $aTitle from PDF title screen (viewed Oct. 18, 2012).
300   $a"For release ... July 17, 2012."
320   $aIncludes bibliographical references.
517   $aCybersecurity 
606   $aElectric power systems$xSecurity measures$zUnited States
606   $aComputer security$xGovernment policy$zUnited States
606   $aCyberterrorism$xPrevention$xGovernment policy$zUnited States
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