?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=P&rft.au=Singh%2C+P&rft.aulast=Singh&rft.atitle=Potential+of+Opportunity+Double+Cropping+with+Short+Duration+Legumes+in+the+Rabi+Sorghum+Areas+of+India&rft.title=Indian+Journal+of+Dryland+Agricultural+Research+and+Development&rft.date=2000&rft.volume=15&rft.pages=64-72&rft.issue=1&rft.genre=article