FRICTIONLESS CONTACT IN A LAYERED PIEZOELECTRIC MEDIUM COMPOSED OF MATERIALS WITH HEXAGONAL SYMMETRY. Revista EIA, [S. l.], v. 1, n. 2, p. 75–88, 2013. Disponível em: https://eiaupgrade.metarevistas.org/index.php/reveia/article/view/134. Acesso em: 18 jul. 2025.