Bernal, J., Gómez, P. and Bobadilla, J. (1999) “Representación espectral de la fonética acústica española”, Journal of Experimental Phonetics, 10, pp. 182–267. Available at: https://revistes.ub.edu/index.php/experimentalphonetics/article/view/44521 (Accessed: 20February2025).