Standardized precipitation index

Carbone, G. J., Lu, J., & Brunetti, M. (2018). Estimating uncertainty associated with the standardized precipitation index. International Journal Of Climatology. http://doi.org/10.1002/joc.5393
Turco, M., Levin, N., Tessler, N., & Saaroni, H. (2017). Recent changes and relations among drought, vegetation and wildfires in the Eastern Mediterranean: The case of Israel. Global And Planetary Change. http://doi.org/10.1016/j.gloplacha.2016.09.002