RAMAKRISHNAN, R.; GASPAR, R. Controlling control valve noise: a case study. Canadian Acoustics, [S. l.], v. 22, n. 3, p. 99–100, 1994. Disponível em: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/868. Acesso em: 16 apr. 2024.