LEONG, R. K. The Energy Costs of Some Noise Abatement Procedures. Canadian Acoustics, [S. l.], v. 6, n. 2, p. 7–21, 1978. Disponível em: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/412. Acesso em: 19 apr. 2024.