Caramori, P.H. and Faria, R.T. de 2014. Estimation of potential evapotranspiration for Londrinha and Ponta Grossa, PR, Brazil. Pesquisa Agropecuaria Brasileira. 22, 1 (Apr. 2014), 9–13. DOI:https://doi.org/10.1590/S1678-3921.pab1987.v22.14178.