The sound absorption of an isolated resonator with a cross-shaped slit and its dependence on the number of resonators. Journal of Civil Engineering and Management, [S. l.], v. 2, n. 6, p. 50–58, 1996. DOI: 10.3846/13921525.1996.10531644. Disponível em: https://journals.vilniustech.lt/index.php/JCEM/article/view/9540. Acesso em: 10 may. 2025.