1. Evaporation and Evapotranspiration Estimation Methods, Evaporation and Evapotranspiration: Measurements and Estimations;Abtew,2013
2. Generating reference evapotranspiration surfaces from the Hargreaves equation at watershed scale;Aguilar;Hydrol. Earth Syst. Sci.,2011
3. Status of Agricultural Water Use in IRAN, Water Conservation, Reuse, and Recycling: Proceedings of an Iranian-American Workshop;Alizadeh,2005
4. Allen, R.G., 1993. Evaluation of a temperature difference method for computing grass reference evapotranspiration. Report submitted to the Water Resources Develop. and Man. Serv. Land and Water Development Division, FAO, Rome, 49.
5. Assessing integrity of weather data for reference evapotranspiration estimation;Allen;J. Irrig. Drain. Eng.,1996