Dependence of gamma-ray absorption coefficient on the size of lead particle. Baghdad Science Journal, Iraq, Baghdad, v. 8, n. 2, p. 613–617, 2011. DOI: 10.21123/bsj.2011.8.2.613-617. Disponível em: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/2555.. Acesso em: 1 may. 2024.