Marcelo Colomé and Raul Nunes. 2014.
 Autenticação contínua para smartphones baseada em assinatura acústica. In <em>Proceedings of the 14th Brazilian Symposium on Information and Computational Systems Security</em>, November 03, 2014, Belo Horizonte, Brasil. SBC, Porto Alegre, Brasil, 342-345. DOI: <a href="https://doi.org/10.5753/sbseg.2014.20149">https://doi.org/10.5753/sbseg.2014.20149</a>.