01263aam 2200373I 450 991071005210332120151118015324.0GOVPUB-C13-86fc005df1b97689708db65b9545ca58(CKB)5470000002475756(OCoLC)929881632(EXLCZ)99547000000247575620151118d1975 ua 0engrdacontentrdamediardacarrierColor requirements for the marking of obstructions /Robert L. BookerGaithersburg, MD :U.S. Dept. of Commerce, National Institute of Standards and Technology,1975.1 online resourceNBSIR ;75-6631975.Contributed record: Metadata reviewed, not verified. Some fields updated by batch processes.Title from PDF title page.Includes bibliographical references.Booker Robert L1386448Booker Robert L1386448United States.National Bureau of Standards.NBSNBSGPOBOOK9910710052103321Color requirements for the marking of obstructions3435407UNINA