WESOŁOWSKI, Z. Nonlinear Interaction Between Two Shear Waves in Elastic Material. Engineering Transactions, [S. l.], v. 39, n. 1, p. 97–110, 1991. Disponível em: https://et3.ippt.pan.pl/index.php/et/article/view/1616. Acesso em: 24 apr. 2025.