NIGHTINGALE, T.; ALBER, T. Standardized prediction methods for estimating sound insulation in buildings. Canadian Acoustics, [S. l.], v. 26, n. 3, p. 27–28, 1998. Disponível em: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/1140. Acesso em: 6 may. 2024.