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035   $a(OCoLC)1225296232
035   $a(EXLCZ)995470000002508004
100   $a20201204d1989      ua             0
101 0 $aeng
135   $aur|||||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aFAA's voice switching and control system $estatement for the record by Samuel W. Bowlin before the Subcommittee on Transportation and Related Agencies, Committee on Appropriations, United States Senate
210  1$a[Washington, D.C.] :$cUnited States General Accounting Office,$d1989.
215   $a1 online resource (6 pages)
225 1 $aTestimony ;$vGAO/T-IMTEC-89-6
300   $a"For release on delivery expected at 10:00 a.m. EDT Thursday, May 4, 1989."
320   $aIncludes bibliographical references (page 5).
517   $aFAA's voice switching and control system 
606   $aAir traffic control$zUnited States$xComputer programs
615  0$aAir traffic control$xComputer programs.
702   $aBowlin$b Samuel W.
712 02$aUnited States.$bCongress.$bSenate.$bCommittee on Appropriations.$bSubcommittee on Transportation and Related Agencies,
801  0$bGPO
801  1$bGPO
906   $aBOOK
912   $a9910715200503321
996   $aFAA's voice switching and control system$93528674
997   $aUNINA