MARTÍNEZ CELDRÁN, E. En torno a las vocales del español: análisis y reconocmiento. Journal of Experimental Phonetics, [S. l.], v. 7, p. 197–218, 1995. Disponível em: https://revistes.ub.edu/index.php/experimentalphonetics/article/view/44617. Acesso em: 9 oct. 2024.