Method to evaluate the L/D Ratio of Neutron Imaging Beams. Brazilian Journal of Radiation Sciences, Rio de Janeiro, Brazil, v. 5, n. 1, 2017. DOI: 10.15392/bjrs.v5i1.257. Disponível em: https://bjrs.org.br/revista/index.php/REVISTA/article/view/257.. Acesso em: 17 may. 2024.