Rosset, Jean Sérgio, et al. “Chemical and Oxidizable Fractions of Soil Organic Matter under Different Management Systems in an Oxisol”. Pesquisa Agropecuaria Brasileira, vol. 51, no. 9, Oct. 2016, pp. 1529-38, doi:10.1590/S1678-3921.pab2016.v51.21946.