Siva Kumar, M. V. K. <br/><br/>
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. 
<br/><br/> English and French.  Chiefly statistical tables. 
<br/><br/><label>ISBN: </label>9290661828 9789290661825 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Droughts--Statistics.
<br/><br/><label>LC Class. No.: </label>QC929.D8.S5 1991