JONES, H. W.; BABOTT, F. A Multi-Channel Digital Noise Measuring Apparatus for the Measurement of Noise Propagation. Canadian Acoustics, [S. l.], v. 5, n. 1, p. 23–29, 1977. Disponível em: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/402. Acesso em: 28 mar. 2024.