Zangiski, Fernanda, David José Miquelluti, Ildegardis Bertol, and Júlio César Ramos. 2018. “Soil Roughness Indexes and Their Relationship With Water Erosion”. Pesquisa Agropecuaria Brasileira 53 (6): 756-64. https://doi.org/10.1590/S1678-3921.pab2018.v53.26013.