SOUSA, Jose Luiz Antunes de Oliveira e. Cover pages. RIEM - IBRACON Structures and Materials Journal, [S.l.], v. 12, n. 4, aug. 2019. ISSN 1983-4195. Available at: <http://revistas.ibracon.org.br/index.php/riem/article/view/1883>. Date accessed: 21 aug. 2019.