LEADER 01667nam 2200445Ia 450 001 9910711296403321 005 20180711121002.0 024 8 $aGOVPUB-C13-a5c0f7dfa45b3d19aac6be6e20d5d565 035 $a(CKB)5470000002481053 035 $a(OCoLC)959982936 035 $a(OCoLC)995470000002481053 035 $a(EXLCZ)995470000002481053 100 $a20161006d1968 ua 0 101 0 $aeng 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aDevelopment, testing, and evaluation of visual landing aids $econsolidated progress report for the period January 1 to March 31, 1968 /$fSection Photometry 210 1$aGaithersburg, MD :$cU.S. Dept. of Commerce, National Institute of Standards and Technology,$d1968. 215 $a1 online resource 225 1 $aNBS report ;$v9903 300 $a1968. 300 $aContributed record: Metadata reviewed, not verified. Some fields updated by batch processes. 300 $aTitle from PDF title page. 320 $aIncludes bibliographical references. 517 $aDevelopment, testing, and evaluation of visual landing aids 606 $aLanding aids (Aeronautics)$xTesting 606 $aLanding aids (Aeronautics)$xTesting$2fast 615 0$aLanding aids (Aeronautics)$xTesting. 615 7$aLanding aids (Aeronautics)$xTesting. 712 02$aUnited States.$bNational Bureau of Standards. 801 0$bNBS 801 1$bNBS 801 2$bOCLCO 801 2$bOCLCF 801 2$bOCLCQ 906 $aBOOK 912 $a9910711296403321 996 $aDevelopment, testing, and evaluation of visual landing aids$93353663 997 $aUNINA