PIERCY, J. E.; EMBLETON, T. F. Noise Testing of Vehicles - Acoustic Propagation Phenomena. Canadian Acoustics, [S. l.], v. 8, n. 4, p. 29–35, 1980. Disponível em: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/448. Acesso em: 5 dec. 2021.