Oliveira, Luiz Fernando Coutinho de, et al. “COMPARATIVE STUDY OF ESTIMATIVE MODELS FOR REFERENCE EVAPOTRANSPIRATION FOR SELECTED SITES IN GOIÁS AND DISTRITO FEDERAL”. Pesquisa Agropecuária Tropical [Agricultural Research in the Tropics], vol. 31, no. 2, Nov. 2007, pp. 122-6, https://revistas.ufg.br/pat/article/view/2473.