Beguería, Santiago ; Vicente Serrano, Sergio M ; Reig-Gracia, Fergus. Vicente-Serrano S.M., Beguería S., López-Moreno J.I., 2010: A Multi-scalar drought index sensitive to global warming: The Standardized Precipitation Evapotranspiration Index – SPEI. Journal of Climate 23(7), 1696-1718, DOI:10.1175/2009JCLI2909.1.-- http://digital.csic.es/handle/10261/22405..
,
2023
Beguería, Santiago ; Vicente Serrano, Sergio M ; Reig-Gracia, Fergus. Vicente-Serrano S.M., Beguería S., López-Moreno J.I., 2010: A Multi-scalar drought index sensitive to global warming: The Standardized Precipitation Evapotranspiration Index – SPEI. Journal of Climate 23(7), 1696-1718, DOI:10.1175/2009JCLI2909.1.-- http://digital.csic.es/handle/10261/22405..
,
2022
Beguería, Santiago ; Vicente Serrano, Sergio M ; Reig-Gracia, Fergus. Vicente-Serrano S.M., Beguería S., López-Moreno J.I., 2010: A Multi-scalar drought index sensitive to global warming: The Standardized Precipitation Evapotranspiration Index – SPEI. Journal of Climate 23(7), 1696-1718, DOI:10.1175/2009JCLI2909.1.-- http://digital.csic.es/handle/10261/22405..
,
2017