DIAS, M.S.2015-11-062015-11-062015-11-062015-11-061982DIAS, M.S. Activity determination by a 4 pi-gama welltype ionization chamber. 14p. (IPEN-PUB-40). Disponível em: http://repositorio.ipen.br/handle/123456789/25002.http://repositorio.ipen.br/handle/123456789/2500214openAccessanalytic functionscalibrationenergyenergy rangeionization chambersphotonsradioactivityActivity determination by a 4 pi-gama welltype ionization chamberSérie Publicação IPENhttps://orcid.org/0000-0003-2478-5757