Assad, Eduardo Delgado, et al. “Estimation of Probable Maximum Precipitations With 24 Hours or 30 Minutes of Duration the Case of the Brazilian Cerrados”. Pesquisa Agropecuaria Brasileira, vol. 27, no. 5, May 1992, pp. 677-86, doi:10.1590/S1678-3921.pab1992.v27.3698.