Reddy, S. J., & Amorim Neto, M. da S. (2014). A method for the estimation of potential evapotranspiration and/or open pan evaporation over Brazil. Pesquisa Agropecuaria Brasileira, 19(3), 247–267. https://doi.org/10.1590/S1678-3921.pab1984.v19.15434