Bonetti, João de Andrade, et al. “Soil Physical and Biological Properties in an Integrated Crop-Livestock System in the Brazilian Cerrado”. Pesquisa Agropecuaria Brasileira, vol. 53, no. 11, Dec. 2018, pp. 1239-47, doi:10.1590/S1678-3921.pab2018.v53.25700.