01359aam 2200397I 450 991071005440332120151118015323.0GOVPUB-C13-3bf506e52180621d775d0c130bce6c1f(CKB)5470000002475732(OCoLC)929881561(EXLCZ)99547000000247573220151118d1975 ua 0engrdacontentrdamediardacarrierFocusing the Fresnel Lens Optical Landing System /W. F. Mullis; I. Nimeroff; E. L. WaltersGaithersburg, MD :U.S. Dept. of Commerce, National Institute of Standards and Technology,1975.1 online resourceNBSIR ;75-6441975.Contributed record: Metadata reviewed, not verified. Some fields updated by batch processes.Title from PDF title page.Includes bibliographical references.Mullis W. F1388214Mullis W. F1388214Nimeroff Isadore1396332Walters E. L1388334United States.National Bureau of Standards.NBSNBSGPOBOOK9910710054403321Focusing the Fresnel Lens Optical Landing System3528407UNINA