01269aam 2200373I 450 991071002730332120151118015327.0GOVPUB-C13-536d97c61e6224ea3fb50e2af1b81957(CKB)5470000002476006(OCoLC)929882516(EXLCZ)99547000000247600620151118d1976 ua 0engrdacontentrdamediardacarrierTesting for the impact resistance of ophthalmic lenses /Robert E. BergerGaithersburg, MD :U.S. Dept. of Commerce, National Institute of Standards and Technology,1976.1 online resourceNBSIR ;76-9961976.Contributed record: Metadata reviewed, not verified. Some fields updated by batch processes.Title from PDF title page.Includes bibliographical references.Berger Robert E295238Berger Robert E295238United States.National Bureau of Standards.NBSNBSGPOBOOK9910710027303321Testing for the impact resistance of ophthalmic lenses3528397UNINA