San Segundo, Eugenia, and Pedro Gómez-Vilda. 2017. “Evaluating the Forensic Importance of Glottal Source Features through the Voice Analysis of Twins and Non-Twin Siblings”. Language and Law Linguagem E Direito 1 (2). Porto, Portugal. http://84.247.136.72/ojsletrasX/index.php/LLLD/article/view/2430.