01467nam 2200421Ia 450 991069358360332120230902162242.0(CKB)4330000001931806(OCoLC)681750204(OCoLC)994330000001931806(EXLCZ)99433000000193180620101117d1987 ua 0engurcn|||||||||txtrdacontentcrdamediacrrdacarrierPhotometric calibrations[electronic resource] /Robert L. Booker, Donald A. McSparronGaithersburg, MD :U.S. Dept. of Commerce, National Bureau of Standards,[1987]1 online resource (1 volumes (various pagings)) digital, PDF fileNBS measurement servicesNBS special publication ;250-15Title from title screen (viewed Nov. 16, 2010)."Issued October 1987."Includes bibliographical references (pages 45-48).NBS measurement services.NBS special publication ;250-15.PhotometryStandardsPhotometryStandards.Booker Robert L1386448McSparron Donald A1388846United States.National Bureau of Standards.GPOGPOBOOK9910693583603321Photometric calibrations3473255UNINA