WONG, G.; EMBLETON, T. Acoustical standards calibration at the physics division of the National Research Council of Canada. Canadian Acoustics, [S. l.], v. 10, n. 3, p. 39–47, 1982. Disponível em: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/488. Acesso em: 7 may. 2026.