%0 Journal Article %T The West African Sahel: A Review of Recent Studies on the Rainfall Regime and Its Interannual Variability %A Sharon E. Nicholson %J ISRN Meteorology %D 2013 %I Hindawi Publishing Corporation %R 10.1155/2013/453521 %U http://dx.doi.org/10.1155/2013/453521