1. Assessing integrity of weather data for reference evapotranspiration estimation;Allen;J. Irrig. Drain. Eng.,1996
2. FAO Irrigation and Drainage Paper 56, Crop Evapotranspiration - Guidelines for Computing Crop Water Requirements;Allen,1998
3. A recommendation on standardized surface resistance for hourly calculation of reference ETo by the FAO56 Penman-Monteith method;Allen;Agric. Water Manage.,2006
4. An update for the definition of reference evapotranspiration;Allen;ICID Bull.,1994
5. Issues, requirements and challenges in selecting and specifying a standardized ET equation;Allen;Proc., 4th National Irrigation Symp. Citeseer,2000