CHU, W. T. A Unified Approach for the Two ASTM Standards for Impedance Tube Measurements. Canadian Acoustics, [S. l.], v. 23, n. 3, p. 69–70, 1995. Disponível em: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/945. Acesso em: 22 sep. 2024.