Caramori, Paulo Henrique, and Rogerio Teixeira de Faria. 2014. “Estimation of Potential Evapotranspiration for Londrinha and Ponta Grossa, PR, Brazil”. Pesquisa Agropecuaria Brasileira 22 (1):9-13. https://doi.org/10.1590/S1678-3921.pab1987.v22.14178.