BLAUERT, J.; JEKOSCH, U. Product-sound quality: A new aspect of machinery noise. Archives of Acoustics, [S. l.], v. 23, n. 1, p. 105–114, 1998. Disponível em: http://acoustics.ippt.gov.pl/index.php/aa/article/view/896. Acesso em: 18 apr. 2026.