Neves, P., Nunes, L. & Lourenço, A. (2016). Multi-factor authentication for improved efficiency in ECG: Based login. In Fairclough, S., Holzinger, A., Otero, A., Pope, A., and Silva, H. P. da. (Ed.), PhyCS 2016 - Proceedings of the 3rd International Conference on Physiological Computing Systems. (pp. 67-74). Lisboa: SciTePress.