01639nam 2200445Ia 450 991071127650332120180711121003.0GOVPUB-C13-d976745f17c7c650e85a3ef5bab4ac8f(CKB)5470000002481254(OCoLC)959983001(OCoLC)995470000002481254(EXLCZ)99547000000248125420161006d1955 ua 0engtxtrdacontentcrdamediacrrdacarrierDevelopment, testing, and evaluation of visual landing aids consolidated progress report for the period January 1 to March 31, 1955 /National Bureau of StandardsGaithersburg, MD :U.S. Dept. of Commerce, National Institute of Standards and Technology,1955.1 online resourceNBS report ;40721955.Contributed record: Metadata reviewed, not verified. Some fields updated by batch processes.Title from PDF title page.Includes bibliographical references.Development, testing, and evaluation of visual landing aids Landing aids (Aeronautics)Landing aids (Aeronautics)fastLanding aids (Aeronautics)Landing aids (Aeronautics)United States.National Bureau of Standards.NBSNBSOCLCOOCLCFOCLCQBOOK9910711276503321Development, testing, and evaluation of visual landing aids3353663UNINA