MORTEZA POURAGHDAM, R.; BHAT, R. Spectrum Analysis and Directivity Pattern of a Transducer-Driven Conch Shell. Canadian Acoustics, [S. l.], v. 43, n. 3, 2015. Disponível em: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/2787. Acesso em: 21 jul. 2024.