Assis Júnior, Raimundo Nonato de, et al. “Pore Network of an Inceptisol under Different Uses and Relativized S-Index As an Indicator of Soil Physical Quality”. Pesquisa Agropecuaria Brasileira, vol. 51, no. 9, Oct. 2016, pp. 1575-83, doi:10.1590/S1678-3921.pab2016.v51.21957.