Elias de Paula, J., Imaña-Encinas, J., & Sugimoto, N. (1998). Quantitative survey of three hectares of "cerrado" (savanna) vegetation. Pesquisa Agropecuaria Brasileira, 33(5), 613–620. https://doi.org/10.1590/S1678-3921.pab1998.v33.4894