LEADER 01617nam  2200457Ia 450 
001 9910711103003321
005 20180711121001.0
024 8 $aGOVPUB-C13-9082774d86f368f7201c03719b097055
035   $a(CKB)5470000002480986
035   $a(OCoLC)959982890
035   $a(OCoLC)995470000002480986
035   $a(EXLCZ)995470000002480986
100   $a20161006d1954      ua             0
101 0 $aeng
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aStudy of optical system for airport traffic signal projector /$fE.W. Crouch
210  1$aGaithersburg, MD :$cU.S. Dept. of Commerce, National Institute of Standards and Technology,$d1954.
215   $a1 online resource
225 1 $aNBS report ;$v3087
300   $a1954.
300   $aContributed record: Metadata reviewed, not verified. Some fields updated by batch processes.
300   $aTitle from PDF title page.
320   $aIncludes bibliographical references.
606   $aAirports$xTraffic control$xDisplay systems
606   $aAirports$xTraffic control$xDisplay systems$2fast
615  0$aAirports$xTraffic control$xDisplay systems.
615  7$aAirports$xTraffic control$xDisplay systems.
700   $aCrouch$b E. W$01407169
701   $aCrouch$b E. W$01407169
712 02$aUnited States.$bNational Bureau of Standards.
801  0$bNBS
801  1$bNBS
801  2$bOCLCO
801  2$bOCLCF
801  2$bOCLCQ
906   $aBOOK
912   $a9910711103003321
996   $aStudy of optical system for airport traffic signal projector$93487817
997   $aUNINA