Matzenauer, Ronaldo, Sérgio Luis Westphalen, and Homero Bergamaschi. 2014. “Relationships Between Evapotranspiration of Corn and the Penman’s and Thornthwaite Formulas”. Pesquisa Agropecuaria Brasileira 18 (11): 1207-14. https://doi.org/10.1590/S1678-3921.pab1983.v18.15463.