01323aam 2200385I 450 991071006820332120151118015322.0GOVPUB-C13-5c74bfdd58a7b713126bccbaf275acc2(CKB)5470000002475593(OCoLC)929881073(EXLCZ)99547000000247559320151118d1975 ua 0engrdacontentrdamediardacarrierInstrumental colorimetry of retrorefective sign materials /I. Nimeroff; W. A. HallGaithersburg, MD :U.S. Dept. of Commerce, National Institute of Standards and Technology,1975.1 online resourceNBSIR ;74-5181975.Contributed record: Metadata reviewed, not verified. Some fields updated by batch processes.Title from PDF title page.Includes bibliographical references.Nimeroff Isadore1396332Hall W. A1388331Nimeroff Isadore1396332United States.National Bureau of Standards.NBSNBSGPOBOOK9910710068203321Instrumental colorimetry of retrorefective sign materials3542770UNINA