«Sum-Peak Method With Two NaI(Tl) Crystals: 68(Ge+Ga) Standardization». Brazilian Journal of Radiation Sciences (BJRS) 7, no. 3B (Suppl.) (octubre 24, 2019). Accedido julio 17, 2025. https://bjrs.org.br/revista/index.php/REVISTA/article/view/862.