Empirical and learning machine approaches to estimating reference evapotranspiration based on temperature data. - Matheus Mendes Reis; Ariovaldo José da Silva; Jurandir Zullo Junior; Leonardo David Tuffi Santos; Alcinei Místico Azevedo; Érika Manuela Gonçalves Lopes (Comput. Electron. Agric., 2019)