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100   $a20180330d2018      ua             0
101 0 $aeng
135   $aurbn||||a||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aUnmanned aircraft systems $eemerging uses in a changing national airspace : hearing before the Subcommittee on Aviation of the Committee on Transportation and Infrastructure, House of Representatives, One Hundred Fifteenth Congress, first session, November 29, 2017
210  1$aWashington :$cU.S. Government Publishing Office,$d2018.
215   $a1 online resource (xii, 142 pages) $cillustrations
300   $a"115-30."
320   $aIncludes bibliographical references.
517   $aUnmanned aircraft systems 
606   $aDrone aircraft$zUnited States$xManagement
606   $aDrone aircraft$zUnited States$xSafety measures
606   $aDrone aircraft$xTechnological innovations$zUnited States
606   $aDrone aircraft$xEconomic aspects$zUnited States
606   $aDrone aircraft$xGovernment policy$zUnited States
607   $aUnited States$2fast
608   $aLegislative hearings.$2fast
608   $aLegislative hearings.$2lcgft
615  0$aDrone aircraft$xManagement.
615  0$aDrone aircraft$xSafety measures.
615  0$aDrone aircraft$xTechnological innovations
615  0$aDrone aircraft$xEconomic aspects
615  0$aDrone aircraft$xGovernment policy
801  0$bGPO
801  1$bGPO
801  2$bGPO
801  2$bMERUC
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801  2$bINT
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906   $aBOOK
912   $a9910706987103321
996   $aUnmanned aircraft systems$9230247
997   $aUNINA