STEVENS, R. D.; HUNG, C. Toward a realistic estimate of octave band sound levels for electric transformers. Canadian Acoustics, [S. l.], v. 38, n. 1, p. 13–18, 2010. Disponível em: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/2214. Acesso em: 19 apr. 2024.