LI, Gen; CHEN, Yan; HE, Huan. A Honeycomb Based Graded Metamaterial Muffler with Broadband Sound Attenuation and Load Bearing Performances. Archives of Acoustics, [S. l.], v. 47, n. 2, p. 213–221, 2022. DOI: 10.24425/aoa.2022.141651. Disponível em: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/3450. Acesso em: 25 apr. 2025.