Drought variability, changes and hot spots across the African continent during the historical period (1928–2017)
Moustapha Tall, M. B. Sylla, Alima Dajuma, M. Almazroui, D. K. Houteta, N. Klutse, A. Dosio, C. Lennard, F. Driouech, A. Diedhiou, Filippo Giorgi
International Journal of Climatology