1. Allen, R.G., Pereira, L.S., Raes, D., and Smith, M. (1998). Crop evapotranspiration: Guidelines or Computing Crop Water Requirements. FAO Irrig. and Drain. Paper 56 (Rome: FAO of the United Nations), pp.174.
2. Allen, R.G., Walter, I.A., Elliott, R.L., Howell, T.A., Itenfisu, D., Jensen, M.E., and Snyder, R.L. (2005). The ASCE Standardized Reference Evapotranspiration Equation. Technical Committee report to the Environmental and Water Resources Institute of the Amer. Soc. of Civil Engineers from the Task Committee on Standardization of Reference Evapotranspiration. pp.173. https://doi.org/10.1061/9780784408056.10.1061/9780784408056
3. Estimation of evapotranspiration of different sized navel orange-tree orchards using energy balance.;Consoli;J. Irrig. Drain. Eng.,2005
4. Doorenbos, J., and Pruitt, W.O. (1977). Rev. Crop water requirements. FAO Irrigation and Drainage Paper 24, FAO of the United Nations, Rome, pp. 144.
5. Reference crop evapotranspiration from temperature. Appl.;Hargreaves;Eng. Agric.,1985