RADZISZEWSKI, L. Propagation parameters of ultrasonic waves in polymer composites. Archives of Acoustics, [S. l.], v. 25, n. 4, p. 465–478, 2000. Disponível em: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/383. Acesso em: 25 apr. 2025.