Fageria, Nand Kumar. “Effect of Liming on Upland Rice, Common Bean, Corn, and Soybean Production in Cerrado Soil”. Pesquisa Agropecuaria Brasileira, vol. 36, no. 11, Nov. 2001, pp. 1419-24, doi:10.1590/S1678-3921.pab2001.v36.6275.