EMBLETON, T. F.; PIERCY, J. E.; OLSON, N. Sound Propogation Outdoors. Canadian Acoustics, [S. l.], v. 4, n. 2, p. 11–19, 1976. Disponível em: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/386. Acesso em: 14 may. 2024.