D. Bauermann and G. Emmert.
" Atraindo, conhecendo e repudiando atacantes VoIP", in <em>Proceedings of the 17th Brazilian Symposium on Information and Computational Systems Security</em>, Brasília, 2017, pp. 224-235, doi: <a href="https://doi.org/10.5753/sbseg.2017.19502">https://doi.org/10.5753/sbseg.2017.19502</a>.