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035   $a(CKB)5470000002406920
035   $a(OCoLC)300751421
035   $a(EXLCZ)995470000002406920
100   $a20090131d1978      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aAccess area switching and signaling$b[electronic resource] $econcepts, issues, and alternatives /$fR.F. Linfield, M. Nesenbergs
210  1$a[Washington, D.C.] :$cU.S. Dept. of Commerce, National Telecommunications and Information Administration,$d[1978]
215   $a1 online resource (x, 129 pages, 1 unnumbered page) $cillustrations
225 1 $aNTIA report ;$v78-2
300   $aTitle from title screen (viewed on Apr. 13, 2011).
300   $aPerforming organization: Institute for Telecommunication Sciences.
300   $a"Supported by the U.S. Army Communications Systems Agency (CSA)."
300   $a"May 1978."
320   $aIncludes bibliographical references (pages 125-129).
517   $aAccess area switching and signaling 
606   $aSignal theory (Telecommunication)
606   $aSwitching theory
606   $aTelecommunication
615  0$aSignal theory (Telecommunication)
615  0$aSwitching theory.
615  0$aTelecommunication.
700   $aLinfield$b R. F$01395519
701   $aNesenbergs$b M$01397100
712 02$aInstitute for Telecommunication Sciences.
712 02$aUnited States.$bArmy Communications Systems Agency.
712 02$aUnited States.$bNational Telecommunications and Information Administration.
801  0$bOCLCE
801  1$bOCLCE
801  2$bOCLCQ
801  2$bGPO
906   $aBOOK
912   $a9910699904103321
996   $aAccess area switching and signaling$93478562
997   $aUNINA