?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=M+V+K&rft.au=Sivakumar%2C+M+V+K&rft.aulast=Sivakumar&rft.atitle=Exploiting+rainy+season+potential+from+the+onset+of+rains+in+the+Sahelian+zone+of+West+Africa&rft.title=Agricultural+and+Forest+Meteorology&rft.issn=0168-1923&rft.date=1990&rft.volume=51&rft.pages=321-332&rft.issue=3-4&rft.genre=article