01366aam 2200385I 450 991071139050332120160205080659.0GOVPUB-C13-efd4d8666bada2f7be301bba62561810(CKB)5470000002482122(OCoLC)936670852(EXLCZ)99547000000248212220160205d1972 ua 0engrdacontentrdamediardacarrierOptical radiation measurements Fundamental principles of absolute radiometry and the philosophy of this NBS program (1968 to 1971) /Jon GeistGaithersburg, MD :U.S. Dept. of Commerce, National Institute of Standards and Technology,1972.1 online resourceNBS technical note ;594-11972.Contributed record: Metadata reviewed, not verified. Some fields updated by batch processes.Title from PDF title page.Includes bibliographical references.Optical radiation measurements Geist Jon1392974Geist Jon1392974United States.National Bureau of Standards.NBSNBSGPOBOOK9910711390503321Optical radiation measurements3500866UNINA