O’KEEFE, J. Echo suppression in a large fan shaped auditorium. Canadian Acoustics, [S. l.], v. 25, n. 3, p. 23–23, 1997. Disponível em: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/1092. Acesso em: 28 mar. 2024.