01620oam 2200433Ia 450 991069701090332120230902162112.0(CKB)5470000002384797(OCoLC)711704881(EXLCZ)99547000000238479720110406d1987 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierRadioactivity calibrations with the"4[pi]" gamma ionization chamber and other radioactivity calibration capabilities[electronic resource] /Jacqueline M. CalhounGaithersburg, MD :U.S. Dept. of Commerce, National Bureau of Standards,[1987]1 online resource (vii, 33 pages)NBS measurement servicesNBS special publication ;250-10Title from title screen (viewed Apr. 1, 2011)."Issued October 1987."Includes bibliographical references (page 33).NBS measurement services.NBS special publication ;250-10.RadioactivityStandardizationIonization chambersRadioactivityStandardization.Ionization chambers.Calhoun Jacqueline M1405836United States.National Bureau of Standards.GPOGPOGPOBOOK9910697010903321Radioactivity calibrations with the"4" gamma ionization chamber and other radioactivity calibration capabilities3483125UNINA