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200 10$aEnsuring compatibility with enhanced 911 emergency calling systems $ea progress report : hearing before the Subcommittee on Telecommunications and the Internet of the Committee on Energy and Commerce, House of Representatives, One Hundred Seventh Congress, first session, June 14, 2001
215   $a1 online resource (iii, 67 p.) 
311   $a0-16-066014-9 
517   $aEnsuring compatibility with enhanced 911 emergency calling systems 
606   $aTelephone$zUnited States$xEmergency reporting systems
606   $aCell phone systems$zUnited States
606   $aEmergency communication systems$zUnited States
610   $aTelephone
610   $aCell phone systems
610   $aEmergency communication systems
610   $aTechnology & engineering
615  0$aTelephone$xEmergency reporting systems.
615  0$aCell phone systems
615  0$aEmergency communication systems
712 02$aUnited States, Congress House Committee on Energy and Commerce Subcommittee on Telecommunications and the Internet Staff,$4oth
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996   $aEnsuring compatibility with enhanced 911 emergency calling systems$93168167
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