RICHARZ, W.; BILAWCHUK, S. Re: Measuring acoustic transmission loss using the 3-point method by S. Bilawchuck, and K.R. Fyfe, vol. 30, No 4, 2002 (multiple letters). Canadian Acoustics, [S. l.], v. 31, n. 2, p. 40–41, 2003. Disponível em: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/1525. Acesso em: 8 dec. 2021.