Oliveira, Luiz Fernando Coutinho de, et al. “MATHEMATICAL DEVELOPMENT OF AN EQUATION FOR THE ESTIMATE OF FIELD CAPACITY”. Pesquisa Agropecuária Tropical [Agricultural Research in the Tropics], vol. 31, no. 1, Nov. 2007, pp. 65-69, https://doi.org/10.5216/pat.v31i1.2531.