1. Terraclimate, a high-resolution global dataset of monthly climate and climatic water balance from 1958–2015;Abatzoglou;Sci. Data,2018
2. Agnew, C.T., 2000. Using the SPI to Identify Drought. Drought Network News. Accessed at https://digitalcommons.unl.edu/droughtnetnews/1.
3. On underestimation of global vulnerability to tree mortality and forest die-off from hotter drought in the Anthropocene;Allen;Ecosphere,2015
4. Allen, R.G., Pereira, L., Raes, D., Smith, M., 1998. Crop evapotranspiration: guidelines for computing crop water requirements. Food and Agriculture Organization of the United Nations. ISBN 92-5-104219-5.
5. Stratospheric Connection to the Abrupt End of the 2016/2017 Iberian Drought;Ayarzagüena;Geophys. Res. Lett.,2018