?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=S+P&rft.au=Wani%2C+S+P&rft.aulast=Wani&rft.atitle=Alfisols+of+the+Semi-Arid+Tropics%3A+Problems+and+Potentials&rft.title=SATrends+Monthly+Newsletter&rft.date=2002&rft.volume=24&rft.pages=1-2&rft.genre=article