STINSON, M. R.; DAIGLE, G. A. Onset of feedback howl in hearing aids. Canadian Acoustics, [S. l.], v. 32, n. 3, p. 66–67, 2004. Disponível em: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/1630. Acesso em: 23 apr. 2024.