LEADER 01999nam  2200481   450 
001 9910716768803321
005 20210830172947.0
035   $a(CKB)5470000002524486
035   $a(OCoLC)1263248107
035   $a(EXLCZ)995470000002524486
100   $a20210810g20199999  ua             0
101 0 $aeng
135   $aur|||||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 00$aAcoustical warning devices as emergency warning systems
210  1$aWashington, DC :$cU.S. Department of Transportation, Federal Railroad Administration, Office of Research, Development and Technology,$d2019-
215   $a1 online resource (volumes) $ccolor illustrations
300   $a"DOT/FRA/ORD-19/40"--Phase 1.
300   $a"DOT/FRA/ORD-21/13"--Phase 2.
300   $a"Final report, October 2019"--Phase 1.
300   $a"Final report, March 2021"--Phase 2.
300   $a"Performing organization: Foster-Miller, Inc. & Harris Miller Miller & Hanson Inc."--Phase 1, report documentation page.
300   $a"Performing organization: QinetiQ North America & Harris Miller Miller & Hanson Inc."--Phase 2, report documentation page.
320   $aIncludes bibliographical references.
606   $aEmergency communication systems$zUnited States
606   $aSirens (Signaling devices)
606   $aRailroads$xSafety appliances$zUnited States
608   $aTechnical reports.$2lcgft
615  0$aEmergency communication systems
615  0$aSirens (Signaling devices)
615  0$aRailroads$xSafety appliances
712 02$aUnited States.$bFederal Railroad Administration.$bOffice of Research, Development and Technology,
712 02$aFoster-Miller.
712 02$aHarris, Miller, Miller & Hanson Inc.
712 02$aQinetiQ North America (Firm)
801  0$bGPO
801  1$bGPO
906   $aBOOK
912   $a9910716768803321
996   $aAcoustical warning devices as emergency warning systems$93261001
997   $aUNINA