BURGOA, L. O. S. Assesment of the Mechanical Variability of Rock Slabs by Means of Non-Destructive Tests. Ingeniería y Ciencia, [S. l.], v. 10, n. 19, p. 221–246, 2014. DOI: 10.17230/ingciencia.10.19.11. Disponível em: https://publicaciones.eafit.edu.co/index.php/ingciencia/article/view/1817. Acesso em: 30 nov. 2022.