Segundo Fernández, Eugenia San. “Forensic Speaker Comparison of Spanish Twins and Non-Twin Siblings : A Phonetic-Acoustic Analysis of Formant Trajectories in Vocalic Sequences, Glottal Source Parameters and Cepstral Characteristics”. Language and Law Linguagem E Direito, vol. 1, no. 2, May 2017, https://ojstest.xyz/ojsletrasX/index.php/LLLD/article/view/2437.