DICKINSON, P. Helicopter Noise Propagation Studies for Air Installation Compatible Land Use Zoning. Canadian Acoustics, [S. l.], v. 7, n. 1, p. 14–31, 1979. Disponível em: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/423. Acesso em: 29 mar. 2024.