Nogueira, Anna Karolyne da Silva, et al. “Nitrous Oxide Fluxes in an Integrated Crop-Livestock-Forestry System”. Pesquisa Agropecuaria Brasileira, vol. 51, no. 9, Oct. 2016, pp. 1156-62, doi:10.1590/S1678-3921.pab2016.v51.22367.