WARNOCK, A.; CHU, W.; GUY, J.-C. Directivity of human talkers. Canadian Acoustics, [S. l.], v. 30, n. 3, p. 36–37, 2002. Disponível em: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/1442. Acesso em: 3 may. 2026.