1. Crop Evapotranspiration. Guidelines for Computing CropWater Requirements. FAO Irrigation and Drainage Paper No. 56;Allen,1998
2. ANA, 2011. Autoridad Nacional del Agua. Evaluación de los recursos hídricos superficiales en la cuenca del río Chancay-Huaral. http://www.ana.gob.pe:8094/media/38323/02.01%20erh_huaral2011_texto.pdf. (Accessed 11 Aug 2016).
3. Hydrological change −climate change impact simulations for Sweden;Andréasson;Ambio,2004
4. A review of multitaper spectral analysis;Babadi;IEEE Trans. Biomed. Eng.,2014
5. Climate Change and Water Technical Paper of the Intergovernmental Panel on Climate Change,2008