Fernández, Eugenia San Segundo. “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”.
International Journal of Speech, Language and the Law 22, no. 2 (November 6, 2015): 249–253. Accessed April 9, 2025.
https://journal.equinoxpub.com/IJSLL/article/view/5873.