01520nam 2200457Ia 450 991071112730332120180711121001.0GOVPUB-C13-4a65c3f94ecf190f3f66e866028dfaa9(CKB)5470000002480740(OCoLC)959982894(OCoLC)995470000002480740(EXLCZ)99547000000248074020161006d1954 ua 0engtxtrdacontentcrdamediacrrdacarrierReport of a survey of visual landing aids /James E. DavisGaithersburg, MD :U.S. Dept. of Commerce, National Institute of Standards and Technology,1954.1 online resourceNBS report ;32601954.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)Davis James E1242138Davis James E1242138United States.National Bureau of Standards.NBSNBSOCLCOOCLCFOCLCQBOOK9910711127303321Report of a survey of visual landing aids3514572UNINA