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100 1 $aBold, Benjamin$0535358
245 10$aFamous problems of geometry and how to solve them /$cBenjamin Bold
250   $aDover ed., Unabridged and slightly corr. republication
260   $aNew York :$bDover,$cc1969
300   $axii, 112 p. :$bill. ;$c22 cm
500   $aIncludes bibliographical references
500   $aReprint. Originally published: Famous problems of mathematics. - New York : Van Nostrand Reinhold, 1969
650  0$aGeometry$vProblems
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200 10$aCybersecurity$b[electronic resource] $echallenges in securing the modernized electricity grid : testimony before the Subcommittee on Oversight and Investigations, Committee on Energy and Commerce, House of Representatives /$fstatement of Gregory C. Wilshusen, David C. Trimble
210  1$a[Washington, D.C.] :$cU.S. Govt. Accountability Office,$d[2012]
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300   $aTitle from PDF title screen (viewed Mar. 15, 2012).
300   $a"For release ... February 28, 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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