Reddy, S. J. and 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), pp. 247–267. doi: 10.1590/S1678-3921.pab1984.v19.15434.