NASTASI, M.J.C.ABRAO, A.2015-11-062015-11-062015-11-062015-11-061968NASTASI, M.J.C.; ABRAO, A. Construction and operation of a proportional gas flow counter. 16p. (IEA-PUB-157). Disponível em: http://repositorio.ipen.br/handle/123456789/24274.http://repositorio.ipen.br/handle/123456789/2427416openAccessalpha detectionbeta detectionflow countersoperationproportional countersSérie Publicação IPEN