Gargantini, H.; Mello, F. de A. de; Arzolla, S. Effects of Liming on the Contents of Calcium Plus Magnesium of "cerrado" Soils . An. Esc. Super. Agr. Luiz de Queiroz 1982, 39 (2), 1115-1136. https://doi.org/10.1590/S0071-12761982000200026.