MAY, D. N. Criteria and Limits for Wayside Noise from Trains. Canadian Acoustics, [S. l.], v. 4, n. 2, p. 22, 1976. Disponível em: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/388. Acesso em: 21 jul. 2024.