Calibration of Hargreaves-Samani Equation for Estimating Reference Evapotranspiration in Sub-Humid Region of Brazil
José Romualdo de Sousa Lima, Antonio Celso Dantas Antonino, Eduardo Soares de Souza, Claude Hammecker, Suzana Maria Gico Lima Montenegro, Carlos Alberto Brayner de Oliveira Lira

J. Water Resour. Prot. Vol.5 No.12 A, December 31, 2013
DOI:10.4236/jwarp.2013.512A001