CHATTOPADHYAY, A.; CHAKRABORTY, A. Sh Waves in a Porous Layer of Nonuniform Thickness. Engineering Transactions, [S. l.], v. 34, n. 1-2, p. 3–13, 1986. Disponível em: https://et.ippt.pan.pl/index.php/et/article/view/1793. Acesso em: 5 dec. 2025.