1. Sensitivity of Penman–Monteith estimates of reference evapotranspiration to errors in input climatic data;Ali;J. Agrometeor.,2009
2. An update for the calculation of reference evapotranspiration;Allen;ICID Bull.,1994
3. An update for the definition of reference evapotranspiration;Allen;ICID Bull.,1994
4. Crop Evapotranspiration: Guidelines for Computing Crop Water Requirements;Allen,1998
5. Sensitivity analysis of 18 different potential evapotranspiration models to observed climatic change at German climate stations;Bormann;Clim. Chang.,2011