00715nam a2200193 a 4500 20260615104903.0 920731s1991 ii a bs i000 0 eng 9290661828 9789290661825 QC929.D8.S5 1991 Siva Kumar, M. V. K. Drought spells and drought frequencies in west Africa = Durée et fréquence des périodes sèches en Afrique de l'Ouest / M.V.K. Sivakumar. Patancheru, Andhra Pradesh, India : International Crops Research Institute for the Semi-arid Tropics, 1991. 181p. Pbk. English and French. Chiefly statistical tables. Droughts Statistics. BK 30343 30343 0 lcc 0 0 FUNAAB FUNAAB 2026-06-15 0 QC929.D8.S5 1991 2026-216166 2026-06-15 10:50:32 2026-06-15 BK