Some practical examples of defence in depth analysis for category IV gamma irradiators. Brazilian Journal of Radiation Sciences, Rio de Janeiro, Brazil, v. 4, n. 1A (Suppl.), 2016. DOI: 10.15392/bjrs.v3i2A.177. Disponível em: https://www.bjrs.org.br/revista/index.php/REVISTA/article/view/177.. Acesso em: 18 may. 2024.