?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=U+K&rft.au=Deb%2C+U+K&rft.aulast=Deb&rft.atitle=Impact+of+modern+cultivars+on+growth+and+relative+variability+in+sorghum+yields+in+India&rft.title=Agricultural+Economics+Research+Review&rft.issn=0971-3441&rft.date=1999&rft.volume=12&rft.pages=84-106&rft.issue=2&rft.genre=article