L. da S. Ribeiro, I. R. de Oliveira, J. S. Dantas, C. V. da Silva, G. B. da Silva, and J. R. de Azevedo, “Spatial variability of physical attributes of a cohesive soil under conventional and no-tillage management systems”, PAB, vol. 51, no. 9, pp. 1699–1702, Oct. 2016, doi: 10.1590/S1678-3921.pab2016.v51.22446.