01488nam 2200433Ia 450 991071112370332120180711120953.0GOVPUB-C13-54062ae414da6c405b3ec249befce7a8(CKB)5470000002480777(OCoLC)959982213(OCoLC)995470000002480777(EXLCZ)99547000000248077720161006d1954 ua 0engtxtrdacontentcrdamediacrrdacarrierDevelopment, testing, and evaluation of visual landing aids /National Bureau of StandardsGaithersburg, MD :U.S. Dept. of Commerce, National Institute of Standards and Technology,1954.1 online resourceNBS report ;32221954.Contributed record: Metadata reviewed, not verified. Some fields updated by batch processes.Title from PDF title page.Includes bibliographical references.Landing aids (Aeronautics)Landing aids (Aeronautics)fastLanding aids (Aeronautics)Landing aids (Aeronautics)United States.National Bureau of Standards.NBSNBSOCLCOOCLCFOCLCQBOOK9910711123703321Development, testing, and evaluation of visual landing aids3353663UNINA