ESTIMATION OF THE INSTABILITY OF SLOPE SURFACE LAYER BY ELASTIC WAVE ATTENUATION CHANGING WITH SOIL MOISTURE AND DEFORMATION. International Journal of Geomate, [S. l.], v. 18, n. 70, p. 81–87, 2020. Disponível em: https://geomatejournal.com/geomate/article/view/616. Acesso em: 19 oct. 2026.