RAHIMI SHAHID, M.; KARGARANBAFGHI, F. Determining the Rock Brittle Index (BI) using multivariate regression (a case study). Italian journal of engineering geology and environment, [S. l.], n. 2, p. 29–39, 2021. Disponível em: https://rosa.uniroma1.it/rosa02/engineering_geology_environment/article/view/818. Acesso em: 8 aug. 2022.