Morais, F., Bacellar, L.A.P. and Sobreira, F.G. (2008) “Evaluation of piping erosion susceptibility in gnaissic soils”, Sociedade & Natureza, 19(2). Available at: https://seer.ufu.br/index.php/sociedadenatureza/article/view/9264 (Accessed: 17 January 2026).