Michelle Wangham, Joni Fraga, Emerson Mello, and Josiane Milanez. 2006.
 Um Modelo para o Gerenciamento Federado do SPKI/SDSI através do Serviço XKMS. In <em>Proceedings of the 6th Brazilian Symposium on Information and Computational Systems Security</em>, August 28, 2006, Santos, Brasil. SBC, Porto Alegre, Brasil, 44-57. DOI: <a href="https://doi.org/10.5753/sbseg.2006.20938">https://doi.org/10.5753/sbseg.2006.20938</a>.