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005 20110524100449.0
035   $a(CKB)3390000000019696
035   $a(OCoLC)704405757$z(OCoLC)79434812
035   $a(EXLCZ)993390000000019696
100   $a20110301d2003      ua             0
101 0 $aeng
135   $aurmn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aGerman cipher machines of World War II$b[electronic resource] /$fDavid P. Mowry
210  1$aFort George G. Meade, MD :$cCenter for Cryptologic History, National Security Agency,$d2003.
215   $a1 online resource (31 pages) $cillustrations
300   $aTitle from title screen (viewed on May 20, 2011).
300   $aDescription based on print version record.
320   $aIncludes bibliographical references (page 31).
606   $aEnigma cipher system
606   $aCryptography$zGermany
606   $aWorld War, 1939-1945$xCryptography
615  0$aEnigma cipher system.
615  0$aCryptography
615  0$aWorld War, 1939-1945$xCryptography.
700   $aMowry$b David P$01386591
712 02$aUnited States.$bNational Security Agency/Central Security Service.$bCenter for Cryptologic History.
801  0$bUMI
801  1$bUMI
801  2$bZCU
801  2$bGPO
906   $aBOOK
912   $a9910703148803321
996   $aGerman cipher machines of World War II$93449724
997   $aUNINA