POSADAS DE JULIÁN, P. Vowel modification or aggiustamento of the spanish vowels in classical singing. Journal of Experimental Phonetics, [S. l.], v. 25, p. 263–293, 2016. Disponível em: https://revistes.ub.edu/index.php/experimentalphonetics/article/view/44144. Acesso em: 18 feb. 2025.