Nardoto, Gabriela Bielefeld, and Mercedes Maria da Cunha Bustamante. “Effects of Fire on Soil Nitrogen Dynamics and Microbial Biomass in Savannas of Central Brazil”. Pesquisa Agropecuaria Brasileira, vol. 38, no. 8, Aug. 2003, pp. 955-62, doi:10.1590/S1678-3921.pab2003.v38.6659.