Oliveira, E. M., Iwahara, A., Poledna, R., da Silva, C. J., da Cruz, P. A. L., Gomes, R. dos S., Delgado, J. U., & Lopes, R. T. (2019). Sum-peak method with two NaI(Tl) crystals: 68(Ge+Ga) standardization. Brazilian Journal of Radiation Sciences, 7(3B (Suppl.). https://doi.org/10.15392/bjrs.v7i3B.862